Home / 20,296.04-28,008.45-11,343.54

Finding the Fourth Proportional to 20,296.04, 28,008.45 and 11,343.54

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Solution

The fourth proportional to 20,296.04, 28,008.45 and 11,343.54 is: 15,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.04 : 28,008.45 = 11,343.54 : x
  2. Step 2: Convert to fraction form
    20,296.04/28,008.45 = 11,343.54/x
  3. Step 3: Cross multiply
    20,296.04x = 28,008.45 × 11,343.54
  4. Step 4: Simplify right side
    20,296.04x = 317,714,972.91
  5. Step 5: Solve for x
    x = 317,714,972.91/20,296.04
  6. Step 6: Final answer
    x = 15,654.04

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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.