Home / 20,135.61-30,197.25-9,600.08

Finding the Fourth Proportional to 20,135.61, 30,197.25 and 9,600.08

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Solution

The fourth proportional to 20,135.61, 30,197.25 and 9,600.08 is: 14,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135.61 : 30,197.25 = 9,600.08 : x
  2. Step 2: Convert to fraction form
    20,135.61/30,197.25 = 9,600.08/x
  3. Step 3: Cross multiply
    20,135.61x = 30,197.25 × 9,600.08
  4. Step 4: Simplify right side
    20,135.61x = 289,895,864.79
  5. Step 5: Solve for x
    x = 289,895,864.79/20,135.61
  6. Step 6: Final answer
    x = 14,397.17

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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.