Home / 18,286.19-27,429.29-6,437.17

Finding the Fourth Proportional to 18,286.19, 27,429.29 and 6,437.17

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Solution

The fourth proportional to 18,286.19, 27,429.29 and 6,437.17 is: 9,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.19 : 27,429.29 = 6,437.17 : x
  2. Step 2: Convert to fraction form
    18,286.19/27,429.29 = 6,437.17/x
  3. Step 3: Cross multiply
    18,286.19x = 27,429.29 × 6,437.17
  4. Step 4: Simplify right side
    18,286.19x = 176,567,028.95
  5. Step 5: Solve for x
    x = 176,567,028.95/18,286.19
  6. Step 6: Final answer
    x = 9,655.76

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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.