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Finding the Fourth Proportional to 17,759.87, 26,632.05 and 9,437.88

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Solution

The fourth proportional to 17,759.87, 26,632.05 and 9,437.88 is: 14,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.87 : 26,632.05 = 9,437.88 : x
  2. Step 2: Convert to fraction form
    17,759.87/26,632.05 = 9,437.88/x
  3. Step 3: Cross multiply
    17,759.87x = 26,632.05 × 9,437.88
  4. Step 4: Simplify right side
    17,759.87x = 251,350,092.05
  5. Step 5: Solve for x
    x = 251,350,092.05/17,759.87
  6. Step 6: Final answer
    x = 14,152.70

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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.