Home / 18,717.24-28,052.40-9,359.88

Finding the Fourth Proportional to 18,717.24, 28,052.40 and 9,359.88

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Solution

The fourth proportional to 18,717.24, 28,052.40 and 9,359.88 is: 14,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.24 : 28,052.40 = 9,359.88 : x
  2. Step 2: Convert to fraction form
    18,717.24/28,052.40 = 9,359.88/x
  3. Step 3: Cross multiply
    18,717.24x = 28,052.40 × 9,359.88
  4. Step 4: Simplify right side
    18,717.24x = 262,567,097.71
  5. Step 5: Solve for x
    x = 262,567,097.71/18,717.24
  6. Step 6: Final answer
    x = 14,028.09

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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.