Home / 15,669.12-23,512.32-8,747.52

Finding the Fourth Proportional to 15,669.12, 23,512.32 and 8,747.52

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Solution

The fourth proportional to 15,669.12, 23,512.32 and 8,747.52 is: 13,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.12 : 23,512.32 = 8,747.52 : x
  2. Step 2: Convert to fraction form
    15,669.12/23,512.32 = 8,747.52/x
  3. Step 3: Cross multiply
    15,669.12x = 23,512.32 × 8,747.52
  4. Step 4: Simplify right side
    15,669.12x = 205,674,489.45
  5. Step 5: Solve for x
    x = 205,674,489.45/15,669.12
  6. Step 6: Final answer
    x = 13,126.10

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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.