Home / 12,929.20-17,836.19-11,060.85

Finding the Fourth Proportional to 12,929.20, 17,836.19 and 11,060.85

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Solution

The fourth proportional to 12,929.20, 17,836.19 and 11,060.85 is: 15,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.20 : 17,836.19 = 11,060.85 : x
  2. Step 2: Convert to fraction form
    12,929.20/17,836.19 = 11,060.85/x
  3. Step 3: Cross multiply
    12,929.20x = 17,836.19 × 11,060.85
  4. Step 4: Simplify right side
    12,929.20x = 197,283,374.89
  5. Step 5: Solve for x
    x = 197,283,374.89/12,929.20
  6. Step 6: Final answer
    x = 15,258.75

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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.