Home / 14,251.90-21,380.19-4,391.18

Finding the Fourth Proportional to 14,251.90, 21,380.19 and 4,391.18

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Solution

The fourth proportional to 14,251.90, 21,380.19 and 4,391.18 is: 6,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.90 : 21,380.19 = 4,391.18 : x
  2. Step 2: Convert to fraction form
    14,251.90/21,380.19 = 4,391.18/x
  3. Step 3: Cross multiply
    14,251.90x = 21,380.19 × 4,391.18
  4. Step 4: Simplify right side
    14,251.90x = 93,884,262.72
  5. Step 5: Solve for x
    x = 93,884,262.72/14,251.90
  6. Step 6: Final answer
    x = 6,587.49

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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.