Home / 15,330.80-22,986.24-7,322.28

Finding the Fourth Proportional to 15,330.80, 22,986.24 and 7,322.28

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Solution

The fourth proportional to 15,330.80, 22,986.24 and 7,322.28 is: 10,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.80 : 22,986.24 = 7,322.28 : x
  2. Step 2: Convert to fraction form
    15,330.80/22,986.24 = 7,322.28/x
  3. Step 3: Cross multiply
    15,330.80x = 22,986.24 × 7,322.28
  4. Step 4: Simplify right side
    15,330.80x = 168,311,657.97
  5. Step 5: Solve for x
    x = 168,311,657.97/15,330.80
  6. Step 6: Final answer
    x = 10,978.66

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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.