Home / 10,156.35-15,229.92-4,609.47

Finding the Fourth Proportional to 10,156.35, 15,229.92 and 4,609.47

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Solution

The fourth proportional to 10,156.35, 15,229.92 and 4,609.47 is: 6,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.35 : 15,229.92 = 4,609.47 : x
  2. Step 2: Convert to fraction form
    10,156.35/15,229.92 = 4,609.47/x
  3. Step 3: Cross multiply
    10,156.35x = 15,229.92 × 4,609.47
  4. Step 4: Simplify right side
    10,156.35x = 70,201,859.34
  5. Step 5: Solve for x
    x = 70,201,859.34/10,156.35
  6. Step 6: Final answer
    x = 6,912.12

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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.