Home / 13,348.40-20,024.11-3,988.95

Finding the Fourth Proportional to 13,348.40, 20,024.11 and 3,988.95

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Solution

The fourth proportional to 13,348.40, 20,024.11 and 3,988.95 is: 5,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.40 : 20,024.11 = 3,988.95 : x
  2. Step 2: Convert to fraction form
    13,348.40/20,024.11 = 3,988.95/x
  3. Step 3: Cross multiply
    13,348.40x = 20,024.11 × 3,988.95
  4. Step 4: Simplify right side
    13,348.40x = 79,875,103.48
  5. Step 5: Solve for x
    x = 79,875,103.48/13,348.40
  6. Step 6: Final answer
    x = 5,983.87

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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.