Home / 10,364.97-15,534.45-8,165.01

Finding the Fourth Proportional to 10,364.97, 15,534.45 and 8,165.01

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Solution

The fourth proportional to 10,364.97, 15,534.45 and 8,165.01 is: 12,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.97 : 15,534.45 = 8,165.01 : x
  2. Step 2: Convert to fraction form
    10,364.97/15,534.45 = 8,165.01/x
  3. Step 3: Cross multiply
    10,364.97x = 15,534.45 × 8,165.01
  4. Step 4: Simplify right side
    10,364.97x = 126,838,939.59
  5. Step 5: Solve for x
    x = 126,838,939.59/10,364.97
  6. Step 6: Final answer
    x = 12,237.27

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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.