Home / 11,640.01-17,449.42-4,242.78

Finding the Fourth Proportional to 11,640.01, 17,449.42 and 4,242.78

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Solution

The fourth proportional to 11,640.01, 17,449.42 and 4,242.78 is: 6,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.01 : 17,449.42 = 4,242.78 : x
  2. Step 2: Convert to fraction form
    11,640.01/17,449.42 = 4,242.78/x
  3. Step 3: Cross multiply
    11,640.01x = 17,449.42 × 4,242.78
  4. Step 4: Simplify right side
    11,640.01x = 74,034,050.19
  5. Step 5: Solve for x
    x = 74,034,050.19/11,640.01
  6. Step 6: Final answer
    x = 6,360.31

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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.