Home / 11,098.38-15,315.15-6,382.74

Finding the Fourth Proportional to 11,098.38, 15,315.15 and 6,382.74

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Solution

The fourth proportional to 11,098.38, 15,315.15 and 6,382.74 is: 8,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.38 : 15,315.15 = 6,382.74 : x
  2. Step 2: Convert to fraction form
    11,098.38/15,315.15 = 6,382.74/x
  3. Step 3: Cross multiply
    11,098.38x = 15,315.15 × 6,382.74
  4. Step 4: Simplify right side
    11,098.38x = 97,752,620.51
  5. Step 5: Solve for x
    x = 97,752,620.51/11,098.38
  6. Step 6: Final answer
    x = 8,807.83

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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.