Home / 11,554.20-17,331.30-4,158.90

Finding the Fourth Proportional to 11,554.20, 17,331.30 and 4,158.90

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Solution

The fourth proportional to 11,554.20, 17,331.30 and 4,158.90 is: 6,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.20 : 17,331.30 = 4,158.90 : x
  2. Step 2: Convert to fraction form
    11,554.20/17,331.30 = 4,158.90/x
  3. Step 3: Cross multiply
    11,554.20x = 17,331.30 × 4,158.90
  4. Step 4: Simplify right side
    11,554.20x = 72,079,143.57
  5. Step 5: Solve for x
    x = 72,079,143.57/11,554.20
  6. Step 6: Final answer
    x = 6,238.35

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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.