Home / 10,913.38-15,060.46-5,945.38

Finding the Fourth Proportional to 10,913.38, 15,060.46 and 5,945.38

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Solution

The fourth proportional to 10,913.38, 15,060.46 and 5,945.38 is: 8,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.38 : 15,060.46 = 5,945.38 : x
  2. Step 2: Convert to fraction form
    10,913.38/15,060.46 = 5,945.38/x
  3. Step 3: Cross multiply
    10,913.38x = 15,060.46 × 5,945.38
  4. Step 4: Simplify right side
    10,913.38x = 89,540,157.67
  5. Step 5: Solve for x
    x = 89,540,157.67/10,913.38
  6. Step 6: Final answer
    x = 8,204.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.