Home / 20,816.18-28,724.59-11,741.04

Finding the Fourth Proportional to 20,816.18, 28,724.59 and 11,741.04

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Solution

The fourth proportional to 20,816.18, 28,724.59 and 11,741.04 is: 16,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816.18 : 28,724.59 = 11,741.04 : x
  2. Step 2: Convert to fraction form
    20,816.18/28,724.59 = 11,741.04/x
  3. Step 3: Cross multiply
    20,816.18x = 28,724.59 × 11,741.04
  4. Step 4: Simplify right side
    20,816.18x = 337,256,711.92
  5. Step 5: Solve for x
    x = 337,256,711.92/20,816.18
  6. Step 6: Final answer
    x = 16,201.66

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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.