Home / 20,230.68-30,358.98-9,836.76

Finding the Fourth Proportional to 20,230.68, 30,358.98 and 9,836.76

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Solution

The fourth proportional to 20,230.68, 30,358.98 and 9,836.76 is: 14,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.68 : 30,358.98 = 9,836.76 : x
  2. Step 2: Convert to fraction form
    20,230.68/30,358.98 = 9,836.76/x
  3. Step 3: Cross multiply
    20,230.68x = 30,358.98 × 9,836.76
  4. Step 4: Simplify right side
    20,230.68x = 298,634,000.10
  5. Step 5: Solve for x
    x = 298,634,000.10/20,230.68
  6. Step 6: Final answer
    x = 14,761.44

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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.