Home / 13,082.18-18,049.91-8,293.59

Finding the Fourth Proportional to 13,082.18, 18,049.91 and 8,293.59

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Solution

The fourth proportional to 13,082.18, 18,049.91 and 8,293.59 is: 11,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.18 : 18,049.91 = 8,293.59 : x
  2. Step 2: Convert to fraction form
    13,082.18/18,049.91 = 8,293.59/x
  3. Step 3: Cross multiply
    13,082.18x = 18,049.91 × 8,293.59
  4. Step 4: Simplify right side
    13,082.18x = 149,698,511.61
  5. Step 5: Solve for x
    x = 149,698,511.61/13,082.18
  6. Step 6: Final answer
    x = 11,442.94

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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.