Home / 12,023.84-18,042.20-5,008.70

Finding the Fourth Proportional to 12,023.84, 18,042.20 and 5,008.70

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Solution

The fourth proportional to 12,023.84, 18,042.20 and 5,008.70 is: 7,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.84 : 18,042.20 = 5,008.70 : x
  2. Step 2: Convert to fraction form
    12,023.84/18,042.20 = 5,008.70/x
  3. Step 3: Cross multiply
    12,023.84x = 18,042.20 × 5,008.70
  4. Step 4: Simplify right side
    12,023.84x = 90,367,870.67
  5. Step 5: Solve for x
    x = 90,367,870.67/12,023.84
  6. Step 6: Final answer
    x = 7,515.73

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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.