Home / 9,076.88-12,516.60-7,185.44

Finding the Fourth Proportional to 9,076.88, 12,516.60 and 7,185.44

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Solution

The fourth proportional to 9,076.88, 12,516.60 and 7,185.44 is: 9,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.88 : 12,516.60 = 7,185.44 : x
  2. Step 2: Convert to fraction form
    9,076.88/12,516.60 = 7,185.44/x
  3. Step 3: Cross multiply
    9,076.88x = 12,516.60 × 7,185.44
  4. Step 4: Simplify right side
    9,076.88x = 89,937,278.30
  5. Step 5: Solve for x
    x = 89,937,278.30/9,076.88
  6. Step 6: Final answer
    x = 9,908.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,077.88, 12,517.98 and 7,186.44
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.