Home / 15,781.50-23,676.30-5,393.25

Finding the Fourth Proportional to 15,781.50, 23,676.30 and 5,393.25

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Solution

The fourth proportional to 15,781.50, 23,676.30 and 5,393.25 is: 8,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.50 : 23,676.30 = 5,393.25 : x
  2. Step 2: Convert to fraction form
    15,781.50/23,676.30 = 5,393.25/x
  3. Step 3: Cross multiply
    15,781.50x = 23,676.30 × 5,393.25
  4. Step 4: Simplify right side
    15,781.50x = 127,692,204.98
  5. Step 5: Solve for x
    x = 127,692,204.98/15,781.50
  6. Step 6: Final answer
    x = 8,091.26

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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.