Home / 15,125.40-22,691.88-12,017.16

Finding the Fourth Proportional to 15,125.40, 22,691.88 and 12,017.16

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Solution

The fourth proportional to 15,125.40, 22,691.88 and 12,017.16 is: 18,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.40 : 22,691.88 = 12,017.16 : x
  2. Step 2: Convert to fraction form
    15,125.40/22,691.88 = 12,017.16/x
  3. Step 3: Cross multiply
    15,125.40x = 22,691.88 × 12,017.16
  4. Step 4: Simplify right side
    15,125.40x = 272,691,952.66
  5. Step 5: Solve for x
    x = 272,691,952.66/15,125.40
  6. Step 6: Final answer
    x = 18,028.74

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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.