Home / 15,380.80-23,053.28-7,061.69

Finding the Fourth Proportional to 15,380.80, 23,053.28 and 7,061.69

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Solution

The fourth proportional to 15,380.80, 23,053.28 and 7,061.69 is: 10,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.80 : 23,053.28 = 7,061.69 : x
  2. Step 2: Convert to fraction form
    15,380.80/23,053.28 = 7,061.69/x
  3. Step 3: Cross multiply
    15,380.80x = 23,053.28 × 7,061.69
  4. Step 4: Simplify right side
    15,380.80x = 162,795,139.17
  5. Step 5: Solve for x
    x = 162,795,139.17/15,380.80
  6. Step 6: Final answer
    x = 10,584.31

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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.