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Finding the Fourth Proportional to 18,449.53, 27,693.50 and 16,354.46

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Solution

The fourth proportional to 18,449.53, 27,693.50 and 16,354.46 is: 24,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.53 : 27,693.50 = 16,354.46 : x
  2. Step 2: Convert to fraction form
    18,449.53/27,693.50 = 16,354.46/x
  3. Step 3: Cross multiply
    18,449.53x = 27,693.50 × 16,354.46
  4. Step 4: Simplify right side
    18,449.53x = 452,912,225.47
  5. Step 5: Solve for x
    x = 452,912,225.47/18,449.53
  6. Step 6: Final answer
    x = 24,548.72

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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.