Home / 20,660.59-30,981.66-5,866.04

Finding the Fourth Proportional to 20,660.59, 30,981.66 and 5,866.04

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Solution

The fourth proportional to 20,660.59, 30,981.66 and 5,866.04 is: 8,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660.59 : 30,981.66 = 5,866.04 : x
  2. Step 2: Convert to fraction form
    20,660.59/30,981.66 = 5,866.04/x
  3. Step 3: Cross multiply
    20,660.59x = 30,981.66 × 5,866.04
  4. Step 4: Simplify right side
    20,660.59x = 181,739,712.28
  5. Step 5: Solve for x
    x = 181,739,712.28/20,660.59
  6. Step 6: Final answer
    x = 8,796.44

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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.