Home / 10,095.40-15,143.82-3,519.64

Finding the Fourth Proportional to 10,095.40, 15,143.82 and 3,519.64

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Solution

The fourth proportional to 10,095.40, 15,143.82 and 3,519.64 is: 5,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.40 : 15,143.82 = 3,519.64 : x
  2. Step 2: Convert to fraction form
    10,095.40/15,143.82 = 3,519.64/x
  3. Step 3: Cross multiply
    10,095.40x = 15,143.82 × 3,519.64
  4. Step 4: Simplify right side
    10,095.40x = 53,300,794.62
  5. Step 5: Solve for x
    x = 53,300,794.62/10,095.40
  6. Step 6: Final answer
    x = 5,279.71

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1.5x scale

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.