Home / 10,112.45-15,170.73-3,543.24

Finding the Fourth Proportional to 10,112.45, 15,170.73 and 3,543.24

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Solution

The fourth proportional to 10,112.45, 15,170.73 and 3,543.24 is: 5,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.45 : 15,170.73 = 3,543.24 : x
  2. Step 2: Convert to fraction form
    10,112.45/15,170.73 = 3,543.24/x
  3. Step 3: Cross multiply
    10,112.45x = 15,170.73 × 3,543.24
  4. Step 4: Simplify right side
    10,112.45x = 53,753,580.97
  5. Step 5: Solve for x
    x = 53,753,580.97/10,112.45
  6. Step 6: Final answer
    x = 5,315.59

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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.