Home / 13,659.17-20,488.70-6,153.95

Finding the Fourth Proportional to 13,659.17, 20,488.70 and 6,153.95

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Solution

The fourth proportional to 13,659.17, 20,488.70 and 6,153.95 is: 9,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.17 : 20,488.70 = 6,153.95 : x
  2. Step 2: Convert to fraction form
    13,659.17/20,488.70 = 6,153.95/x
  3. Step 3: Cross multiply
    13,659.17x = 20,488.70 × 6,153.95
  4. Step 4: Simplify right side
    13,659.17x = 126,086,302.15
  5. Step 5: Solve for x
    x = 126,086,302.15/13,659.17
  6. Step 6: Final answer
    x = 9,230.89

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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.