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Finding the Fourth Proportional to 22,697.40, 34,046.10 and 13,366.20

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Solution

The fourth proportional to 22,697.40, 34,046.10 and 13,366.20 is: 20,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.40 : 34,046.10 = 13,366.20 : x
  2. Step 2: Convert to fraction form
    22,697.40/34,046.10 = 13,366.20/x
  3. Step 3: Cross multiply
    22,697.40x = 34,046.10 × 13,366.20
  4. Step 4: Simplify right side
    22,697.40x = 455,066,981.82
  5. Step 5: Solve for x
    x = 455,066,981.82/22,697.40
  6. Step 6: Final answer
    x = 20,049.30

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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.