Home / 15,858.10-23,781.41-5,324.97

Finding the Fourth Proportional to 15,858.10, 23,781.41 and 5,324.97

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Solution

The fourth proportional to 15,858.10, 23,781.41 and 5,324.97 is: 7,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.10 : 23,781.41 = 5,324.97 : x
  2. Step 2: Convert to fraction form
    15,858.10/23,781.41 = 5,324.97/x
  3. Step 3: Cross multiply
    15,858.10x = 23,781.41 × 5,324.97
  4. Step 4: Simplify right side
    15,858.10x = 126,635,268.18
  5. Step 5: Solve for x
    x = 126,635,268.18/15,858.10
  6. Step 6: Final answer
    x = 7,985.53

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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.