Home / 20,221.23-30,341.24-7,737.13

Finding the Fourth Proportional to 20,221.23, 30,341.24 and 7,737.13

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Solution

The fourth proportional to 20,221.23, 30,341.24 and 7,737.13 is: 11,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.23 : 30,341.24 = 7,737.13 : x
  2. Step 2: Convert to fraction form
    20,221.23/30,341.24 = 7,737.13/x
  3. Step 3: Cross multiply
    20,221.23x = 30,341.24 × 7,737.13
  4. Step 4: Simplify right side
    20,221.23x = 234,754,118.24
  5. Step 5: Solve for x
    x = 234,754,118.24/20,221.23
  6. Step 6: Final answer
    x = 11,609.29

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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.