Home / 15,233.80-22,836.12-7,438.36

Finding the Fourth Proportional to 15,233.80, 22,836.12 and 7,438.36

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Solution

The fourth proportional to 15,233.80, 22,836.12 and 7,438.36 is: 11,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.80 : 22,836.12 = 7,438.36 : x
  2. Step 2: Convert to fraction form
    15,233.80/22,836.12 = 7,438.36/x
  3. Step 3: Cross multiply
    15,233.80x = 22,836.12 × 7,438.36
  4. Step 4: Simplify right side
    15,233.80x = 169,863,281.56
  5. Step 5: Solve for x
    x = 169,863,281.56/15,233.80
  6. Step 6: Final answer
    x = 11,150.42

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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.