Home / 20,158.42-30,247.86-9,062.86

Finding the Fourth Proportional to 20,158.42, 30,247.86 and 9,062.86

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Solution

The fourth proportional to 20,158.42, 30,247.86 and 9,062.86 is: 13,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.42 : 30,247.86 = 9,062.86 : x
  2. Step 2: Convert to fraction form
    20,158.42/30,247.86 = 9,062.86/x
  3. Step 3: Cross multiply
    20,158.42x = 30,247.86 × 9,062.86
  4. Step 4: Simplify right side
    20,158.42x = 274,132,120.48
  5. Step 5: Solve for x
    x = 274,132,120.48/20,158.42
  6. Step 6: Final answer
    x = 13,598.89

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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.