Home / 10,877.52-15,003.29-9,258.29

Finding the Fourth Proportional to 10,877.52, 15,003.29 and 9,258.29

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Solution

The fourth proportional to 10,877.52, 15,003.29 and 9,258.29 is: 12,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.52 : 15,003.29 = 9,258.29 : x
  2. Step 2: Convert to fraction form
    10,877.52/15,003.29 = 9,258.29/x
  3. Step 3: Cross multiply
    10,877.52x = 15,003.29 × 9,258.29
  4. Step 4: Simplify right side
    10,877.52x = 138,904,814.17
  5. Step 5: Solve for x
    x = 138,904,814.17/10,877.52
  6. Step 6: Final answer
    x = 12,769.90

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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.