Home / 12,301.70-18,452.55-11,135.30

Finding the Fourth Proportional to 12,301.70, 18,452.55 and 11,135.30

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Solution

The fourth proportional to 12,301.70, 18,452.55 and 11,135.30 is: 16,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.70 : 18,452.55 = 11,135.30 : x
  2. Step 2: Convert to fraction form
    12,301.70/18,452.55 = 11,135.30/x
  3. Step 3: Cross multiply
    12,301.70x = 18,452.55 × 11,135.30
  4. Step 4: Simplify right side
    12,301.70x = 205,474,680.02
  5. Step 5: Solve for x
    x = 205,474,680.02/12,301.70
  6. Step 6: Final answer
    x = 16,702.95

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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.