Home / 13,385.40-20,079.08-4,024.66

Finding the Fourth Proportional to 13,385.40, 20,079.08 and 4,024.66

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Solution

The fourth proportional to 13,385.40, 20,079.08 and 4,024.66 is: 6,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.40 : 20,079.08 = 4,024.66 : x
  2. Step 2: Convert to fraction form
    13,385.40/20,079.08 = 4,024.66/x
  3. Step 3: Cross multiply
    13,385.40x = 20,079.08 × 4,024.66
  4. Step 4: Simplify right side
    13,385.40x = 80,811,470.11
  5. Step 5: Solve for x
    x = 80,811,470.11/13,385.40
  6. Step 6: Final answer
    x = 6,037.28

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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.