Home / 10,505.60-15,761.46-3,110.24

Finding the Fourth Proportional to 10,505.60, 15,761.46 and 3,110.24

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Solution

The fourth proportional to 10,505.60, 15,761.46 and 3,110.24 is: 4,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.60 : 15,761.46 = 3,110.24 : x
  2. Step 2: Convert to fraction form
    10,505.60/15,761.46 = 3,110.24/x
  3. Step 3: Cross multiply
    10,505.60x = 15,761.46 × 3,110.24
  4. Step 4: Simplify right side
    10,505.60x = 49,021,923.35
  5. Step 5: Solve for x
    x = 49,021,923.35/10,505.60
  6. Step 6: Final answer
    x = 4,666.27

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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.