Home / 19,425.68-29,138.54-8,325.17

Finding the Fourth Proportional to 19,425.68, 29,138.54 and 8,325.17

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Solution

The fourth proportional to 19,425.68, 29,138.54 and 8,325.17 is: 12,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.68 : 29,138.54 = 8,325.17 : x
  2. Step 2: Convert to fraction form
    19,425.68/29,138.54 = 8,325.17/x
  3. Step 3: Cross multiply
    19,425.68x = 29,138.54 × 8,325.17
  4. Step 4: Simplify right side
    19,425.68x = 242,583,221.00
  5. Step 5: Solve for x
    x = 242,583,221.00/19,425.68
  6. Step 6: Final answer
    x = 12,487.76

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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.