Home / 10,551.40-14,528.66-9,217.32

Finding the Fourth Proportional to 10,551.40, 14,528.66 and 9,217.32

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Solution

The fourth proportional to 10,551.40, 14,528.66 and 9,217.32 is: 12,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.40 : 14,528.66 = 9,217.32 : x
  2. Step 2: Convert to fraction form
    10,551.40/14,528.66 = 9,217.32/x
  3. Step 3: Cross multiply
    10,551.40x = 14,528.66 × 9,217.32
  4. Step 4: Simplify right side
    10,551.40x = 133,915,308.39
  5. Step 5: Solve for x
    x = 133,915,308.39/10,551.40
  6. Step 6: Final answer
    x = 12,691.71

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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.