Home / 10,918.17-15,067.13-6,202.71

Finding the Fourth Proportional to 10,918.17, 15,067.13 and 6,202.71

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Solution

The fourth proportional to 10,918.17, 15,067.13 and 6,202.71 is: 8,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.17 : 15,067.13 = 6,202.71 : x
  2. Step 2: Convert to fraction form
    10,918.17/15,067.13 = 6,202.71/x
  3. Step 3: Cross multiply
    10,918.17x = 15,067.13 × 6,202.71
  4. Step 4: Simplify right side
    10,918.17x = 93,457,006.91
  5. Step 5: Solve for x
    x = 93,457,006.91/10,918.17
  6. Step 6: Final answer
    x = 8,559.77

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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.