Home / 17,729.28-26,618.22-11,135.88

Finding the Fourth Proportional to 17,729.28, 26,618.22 and 11,135.88

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Solution

The fourth proportional to 17,729.28, 26,618.22 and 11,135.88 is: 16,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.28 : 26,618.22 = 11,135.88 : x
  2. Step 2: Convert to fraction form
    17,729.28/26,618.22 = 11,135.88/x
  3. Step 3: Cross multiply
    17,729.28x = 26,618.22 × 11,135.88
  4. Step 4: Simplify right side
    17,729.28x = 296,417,303.73
  5. Step 5: Solve for x
    x = 296,417,303.73/17,729.28
  6. Step 6: Final answer
    x = 16,719.08

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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.