Home / 10,094.14-15,143.78-3,168.70

Finding the Fourth Proportional to 10,094.14, 15,143.78 and 3,168.70

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Solution

The fourth proportional to 10,094.14, 15,143.78 and 3,168.70 is: 4,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094.14 : 15,143.78 = 3,168.70 : x
  2. Step 2: Convert to fraction form
    10,094.14/15,143.78 = 3,168.70/x
  3. Step 3: Cross multiply
    10,094.14x = 15,143.78 × 3,168.70
  4. Step 4: Simplify right side
    10,094.14x = 47,986,095.69
  5. Step 5: Solve for x
    x = 47,986,095.69/10,094.14
  6. Step 6: Final answer
    x = 4,753.86

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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.