Home / 15,437.43-23,105.64-8,399.88

Finding the Fourth Proportional to 15,437.43, 23,105.64 and 8,399.88

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Solution

The fourth proportional to 15,437.43, 23,105.64 and 8,399.88 is: 12,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.43 : 23,105.64 = 8,399.88 : x
  2. Step 2: Convert to fraction form
    15,437.43/23,105.64 = 8,399.88/x
  3. Step 3: Cross multiply
    15,437.43x = 23,105.64 × 8,399.88
  4. Step 4: Simplify right side
    15,437.43x = 194,084,603.32
  5. Step 5: Solve for x
    x = 194,084,603.32/15,437.43
  6. Step 6: Final answer
    x = 12,572.34

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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.