Home / 20,228.16-30,337.92-6,373.92

Finding the Fourth Proportional to 20,228.16, 30,337.92 and 6,373.92

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Solution

The fourth proportional to 20,228.16, 30,337.92 and 6,373.92 is: 9,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.16 : 30,337.92 = 6,373.92 : x
  2. Step 2: Convert to fraction form
    20,228.16/30,337.92 = 6,373.92/x
  3. Step 3: Cross multiply
    20,228.16x = 30,337.92 × 6,373.92
  4. Step 4: Simplify right side
    20,228.16x = 193,371,475.05
  5. Step 5: Solve for x
    x = 193,371,475.05/20,228.16
  6. Step 6: Final answer
    x = 9,559.52

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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.