Home / 10,802.38-16,207.80-4,227.44

Finding the Fourth Proportional to 10,802.38, 16,207.80 and 4,227.44

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Solution

The fourth proportional to 10,802.38, 16,207.80 and 4,227.44 is: 6,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.38 : 16,207.80 = 4,227.44 : x
  2. Step 2: Convert to fraction form
    10,802.38/16,207.80 = 4,227.44/x
  3. Step 3: Cross multiply
    10,802.38x = 16,207.80 × 4,227.44
  4. Step 4: Simplify right side
    10,802.38x = 68,517,502.03
  5. Step 5: Solve for x
    x = 68,517,502.03/10,802.38
  6. Step 6: Final answer
    x = 6,342.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.