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Finding the Fourth Proportional to 17,437.68, 26,135.66 and 8,064.90

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Solution

The fourth proportional to 17,437.68, 26,135.66 and 8,064.90 is: 12,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.68 : 26,135.66 = 8,064.90 : x
  2. Step 2: Convert to fraction form
    17,437.68/26,135.66 = 8,064.90/x
  3. Step 3: Cross multiply
    17,437.68x = 26,135.66 × 8,064.90
  4. Step 4: Simplify right side
    17,437.68x = 210,781,504.50
  5. Step 5: Solve for x
    x = 210,781,504.50/17,437.68
  6. Step 6: Final answer
    x = 12,087.70

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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.