Home / 10,187.40-15,270.52-5,246.04

Finding the Fourth Proportional to 10,187.40, 15,270.52 and 5,246.04

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Solution

The fourth proportional to 10,187.40, 15,270.52 and 5,246.04 is: 7,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.40 : 15,270.52 = 5,246.04 : x
  2. Step 2: Convert to fraction form
    10,187.40/15,270.52 = 5,246.04/x
  3. Step 3: Cross multiply
    10,187.40x = 15,270.52 × 5,246.04
  4. Step 4: Simplify right side
    10,187.40x = 80,109,758.74
  5. Step 5: Solve for x
    x = 80,109,758.74/10,187.40
  6. Step 6: Final answer
    x = 7,863.61

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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.