Home / 15,108.37-22,654.77-6,781.25

Finding the Fourth Proportional to 15,108.37, 22,654.77 and 6,781.25

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Solution

The fourth proportional to 15,108.37, 22,654.77 and 6,781.25 is: 10,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.37 : 22,654.77 = 6,781.25 : x
  2. Step 2: Convert to fraction form
    15,108.37/22,654.77 = 6,781.25/x
  3. Step 3: Cross multiply
    15,108.37x = 22,654.77 × 6,781.25
  4. Step 4: Simplify right side
    15,108.37x = 153,627,608.11
  5. Step 5: Solve for x
    x = 153,627,608.11/15,108.37
  6. Step 6: Final answer
    x = 10,168.38

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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.