Home / 14,938.38-22,402.34-4,405.61

Finding the Fourth Proportional to 14,938.38, 22,402.34 and 4,405.61

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Solution

The fourth proportional to 14,938.38, 22,402.34 and 4,405.61 is: 6,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.38 : 22,402.34 = 4,405.61 : x
  2. Step 2: Convert to fraction form
    14,938.38/22,402.34 = 4,405.61/x
  3. Step 3: Cross multiply
    14,938.38x = 22,402.34 × 4,405.61
  4. Step 4: Simplify right side
    14,938.38x = 98,695,973.13
  5. Step 5: Solve for x
    x = 98,695,973.13/14,938.38
  6. Step 6: Final answer
    x = 6,606.87

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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.