Home / 15,156.80-22,736.64-6,392.48

Finding the Fourth Proportional to 15,156.80, 22,736.64 and 6,392.48

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Solution

The fourth proportional to 15,156.80, 22,736.64 and 6,392.48 is: 9,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.80 : 22,736.64 = 6,392.48 : x
  2. Step 2: Convert to fraction form
    15,156.80/22,736.64 = 6,392.48/x
  3. Step 3: Cross multiply
    15,156.80x = 22,736.64 × 6,392.48
  4. Step 4: Simplify right side
    15,156.80x = 145,343,516.47
  5. Step 5: Solve for x
    x = 145,343,516.47/15,156.80
  6. Step 6: Final answer
    x = 9,589.33

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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.