Home / 10,712.20-14,781.50-5,995.32

Finding the Fourth Proportional to 10,712.20, 14,781.50 and 5,995.32

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Solution

The fourth proportional to 10,712.20, 14,781.50 and 5,995.32 is: 8,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.20 : 14,781.50 = 5,995.32 : x
  2. Step 2: Convert to fraction form
    10,712.20/14,781.50 = 5,995.32/x
  3. Step 3: Cross multiply
    10,712.20x = 14,781.50 × 5,995.32
  4. Step 4: Simplify right side
    10,712.20x = 88,619,822.58
  5. Step 5: Solve for x
    x = 88,619,822.58/10,712.20
  6. Step 6: Final answer
    x = 8,272.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.