Home / 17,655.30-24,380.14-13,171.27

Finding the Fourth Proportional to 17,655.30, 24,380.14 and 13,171.27

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Solution

The fourth proportional to 17,655.30, 24,380.14 and 13,171.27 is: 18,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.30 : 24,380.14 = 13,171.27 : x
  2. Step 2: Convert to fraction form
    17,655.30/24,380.14 = 13,171.27/x
  3. Step 3: Cross multiply
    17,655.30x = 24,380.14 × 13,171.27
  4. Step 4: Simplify right side
    17,655.30x = 321,117,312.70
  5. Step 5: Solve for x
    x = 321,117,312.70/17,655.30
  6. Step 6: Final answer
    x = 18,188.15

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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.