Home / 10,095.20-15,145.23-3,169.70

Finding the Fourth Proportional to 10,095.20, 15,145.23 and 3,169.70

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Solution

The fourth proportional to 10,095.20, 15,145.23 and 3,169.70 is: 4,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.20 : 15,145.23 = 3,169.70 : x
  2. Step 2: Convert to fraction form
    10,095.20/15,145.23 = 3,169.70/x
  3. Step 3: Cross multiply
    10,095.20x = 15,145.23 × 3,169.70
  4. Step 4: Simplify right side
    10,095.20x = 48,005,835.53
  5. Step 5: Solve for x
    x = 48,005,835.53/10,095.20
  6. Step 6: Final answer
    x = 4,755.31

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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.