Home / 11,077.74-15,272.60-8,950.90

Finding the Fourth Proportional to 11,077.74, 15,272.60 and 8,950.90

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Solution

The fourth proportional to 11,077.74, 15,272.60 and 8,950.90 is: 12,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.74 : 15,272.60 = 8,950.90 : x
  2. Step 2: Convert to fraction form
    11,077.74/15,272.60 = 8,950.90/x
  3. Step 3: Cross multiply
    11,077.74x = 15,272.60 × 8,950.90
  4. Step 4: Simplify right side
    11,077.74x = 136,703,515.34
  5. Step 5: Solve for x
    x = 136,703,515.34/11,077.74
  6. Step 6: Final answer
    x = 12,340.38

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Double scale
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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.