Home / 20,270.91-30,398.61-9,737.93

Finding the Fourth Proportional to 20,270.91, 30,398.61 and 9,737.93

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Solution

The fourth proportional to 20,270.91, 30,398.61 and 9,737.93 is: 14,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.91 : 30,398.61 = 9,737.93 : x
  2. Step 2: Convert to fraction form
    20,270.91/30,398.61 = 9,737.93/x
  3. Step 3: Cross multiply
    20,270.91x = 30,398.61 × 9,737.93
  4. Step 4: Simplify right side
    20,270.91x = 296,019,420.80
  5. Step 5: Solve for x
    x = 296,019,420.80/20,270.91
  6. Step 6: Final answer
    x = 14,603.17

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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.