Home / 20,061.83-27,685.46-11,109.92

Finding the Fourth Proportional to 20,061.83, 27,685.46 and 11,109.92

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Solution

The fourth proportional to 20,061.83, 27,685.46 and 11,109.92 is: 15,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.83 : 27,685.46 = 11,109.92 : x
  2. Step 2: Convert to fraction form
    20,061.83/27,685.46 = 11,109.92/x
  3. Step 3: Cross multiply
    20,061.83x = 27,685.46 × 11,109.92
  4. Step 4: Simplify right side
    20,061.83x = 307,583,135.11
  5. Step 5: Solve for x
    x = 307,583,135.11/20,061.83
  6. Step 6: Final answer
    x = 15,331.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.