Home / 15,734.20-23,601.30-15,129.40

Finding the Fourth Proportional to 15,734.20, 23,601.30 and 15,129.40

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Solution

The fourth proportional to 15,734.20, 23,601.30 and 15,129.40 is: 22,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.20 : 23,601.30 = 15,129.40 : x
  2. Step 2: Convert to fraction form
    15,734.20/23,601.30 = 15,129.40/x
  3. Step 3: Cross multiply
    15,734.20x = 23,601.30 × 15,129.40
  4. Step 4: Simplify right side
    15,734.20x = 357,073,508.22
  5. Step 5: Solve for x
    x = 357,073,508.22/15,734.20
  6. Step 6: Final answer
    x = 22,694.10

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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.