Home / 10,095.60-15,143.50-3,521.80

Finding the Fourth Proportional to 10,095.60, 15,143.50 and 3,521.80

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Solution

The fourth proportional to 10,095.60, 15,143.50 and 3,521.80 is: 5,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.60 : 15,143.50 = 3,521.80 : x
  2. Step 2: Convert to fraction form
    10,095.60/15,143.50 = 3,521.80/x
  3. Step 3: Cross multiply
    10,095.60x = 15,143.50 × 3,521.80
  4. Step 4: Simplify right side
    10,095.60x = 53,332,378.30
  5. Step 5: Solve for x
    x = 53,332,378.30/10,095.60
  6. Step 6: Final answer
    x = 5,282.73

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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.