Home / 16,611.40-22,951.38-13,101.40

Finding the Fourth Proportional to 16,611.40, 22,951.38 and 13,101.40

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Solution

The fourth proportional to 16,611.40, 22,951.38 and 13,101.40 is: 18,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.40 : 22,951.38 = 13,101.40 : x
  2. Step 2: Convert to fraction form
    16,611.40/22,951.38 = 13,101.40/x
  3. Step 3: Cross multiply
    16,611.40x = 22,951.38 × 13,101.40
  4. Step 4: Simplify right side
    16,611.40x = 300,695,209.93
  5. Step 5: Solve for x
    x = 300,695,209.93/16,611.40
  6. Step 6: Final answer
    x = 18,101.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.