Home / 15,853.64-23,781.48-5,323.23

Finding the Fourth Proportional to 15,853.64, 23,781.48 and 5,323.23

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Solution

The fourth proportional to 15,853.64, 23,781.48 and 5,323.23 is: 7,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.64 : 23,781.48 = 5,323.23 : x
  2. Step 2: Convert to fraction form
    15,853.64/23,781.48 = 5,323.23/x
  3. Step 3: Cross multiply
    15,853.64x = 23,781.48 × 5,323.23
  4. Step 4: Simplify right side
    15,853.64x = 126,594,360.54
  5. Step 5: Solve for x
    x = 126,594,360.54/15,853.64
  6. Step 6: Final answer
    x = 7,985.19

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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.