Home / 20,296.58-28,008.18-11,344.46

Finding the Fourth Proportional to 20,296.58, 28,008.18 and 11,344.46

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Solution

The fourth proportional to 20,296.58, 28,008.18 and 11,344.46 is: 15,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.58 : 28,008.18 = 11,344.46 : x
  2. Step 2: Convert to fraction form
    20,296.58/28,008.18 = 11,344.46/x
  3. Step 3: Cross multiply
    20,296.58x = 28,008.18 × 11,344.46
  4. Step 4: Simplify right side
    20,296.58x = 317,737,537.64
  5. Step 5: Solve for x
    x = 317,737,537.64/20,296.58
  6. Step 6: Final answer
    x = 15,654.74

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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.