Home / 14,270.46-21,397.92-4,407.90

Finding the Fourth Proportional to 14,270.46, 21,397.92 and 4,407.90

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Solution

The fourth proportional to 14,270.46, 21,397.92 and 4,407.90 is: 6,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.46 : 21,397.92 = 4,407.90 : x
  2. Step 2: Convert to fraction form
    14,270.46/21,397.92 = 4,407.90/x
  3. Step 3: Cross multiply
    14,270.46x = 21,397.92 × 4,407.90
  4. Step 4: Simplify right side
    14,270.46x = 94,319,891.57
  5. Step 5: Solve for x
    x = 94,319,891.57/14,270.46
  6. Step 6: Final answer
    x = 6,609.45

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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.