Home / 9,166.50-12,617.64-7,985.52

Finding the Fourth Proportional to 9,166.50, 12,617.64 and 7,985.52

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Solution

The fourth proportional to 9,166.50, 12,617.64 and 7,985.52 is: 10,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.50 : 12,617.64 = 7,985.52 : x
  2. Step 2: Convert to fraction form
    9,166.50/12,617.64 = 7,985.52/x
  3. Step 3: Cross multiply
    9,166.50x = 12,617.64 × 7,985.52
  4. Step 4: Simplify right side
    9,166.50x = 100,758,416.57
  5. Step 5: Solve for x
    x = 100,758,416.57/9,166.50
  6. Step 6: Final answer
    x = 10,992.03

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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.