Home / 20,793.42-28,695.06-11,362.14

Finding the Fourth Proportional to 20,793.42, 28,695.06 and 11,362.14

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Solution

The fourth proportional to 20,793.42, 28,695.06 and 11,362.14 is: 15,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.42 : 28,695.06 = 11,362.14 : x
  2. Step 2: Convert to fraction form
    20,793.42/28,695.06 = 11,362.14/x
  3. Step 3: Cross multiply
    20,793.42x = 28,695.06 × 11,362.14
  4. Step 4: Simplify right side
    20,793.42x = 326,037,289.03
  5. Step 5: Solve for x
    x = 326,037,289.03/20,793.42
  6. Step 6: Final answer
    x = 15,679.83

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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.