Home / 15,439.98-23,159.05-9,518

Finding the Fourth Proportional to 15,439.98, 23,159.05 and 9,518

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Solution

The fourth proportional to 15,439.98, 23,159.05 and 9,518 is: 14,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.98 : 23,159.05 = 9,518 : x
  2. Step 2: Convert to fraction form
    15,439.98/23,159.05 = 9,518/x
  3. Step 3: Cross multiply
    15,439.98x = 23,159.05 × 9,518
  4. Step 4: Simplify right side
    15,439.98x = 220,427,837.90
  5. Step 5: Solve for x
    x = 220,427,837.90/15,439.98
  6. Step 6: Final answer
    x = 14,276.43

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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.