Home / 12,104.10-18,165.15-6,257.70

Finding the Fourth Proportional to 12,104.10, 18,165.15 and 6,257.70

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Solution

The fourth proportional to 12,104.10, 18,165.15 and 6,257.70 is: 9,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.10 : 18,165.15 = 6,257.70 : x
  2. Step 2: Convert to fraction form
    12,104.10/18,165.15 = 6,257.70/x
  3. Step 3: Cross multiply
    12,104.10x = 18,165.15 × 6,257.70
  4. Step 4: Simplify right side
    12,104.10x = 113,672,059.16
  5. Step 5: Solve for x
    x = 113,672,059.16/12,104.10
  6. Step 6: Final answer
    x = 9,391.20

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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.