Home / 13,472.10-20,208.15-3,611.13

Finding the Fourth Proportional to 13,472.10, 20,208.15 and 3,611.13

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Solution

The fourth proportional to 13,472.10, 20,208.15 and 3,611.13 is: 5,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.10 : 20,208.15 = 3,611.13 : x
  2. Step 2: Convert to fraction form
    13,472.10/20,208.15 = 3,611.13/x
  3. Step 3: Cross multiply
    13,472.10x = 20,208.15 × 3,611.13
  4. Step 4: Simplify right side
    13,472.10x = 72,974,256.71
  5. Step 5: Solve for x
    x = 72,974,256.71/13,472.10
  6. Step 6: Final answer
    x = 5,416.70

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Similar ratio
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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.