Home / 12,083.55-18,110.45-5,761.76

Finding the Fourth Proportional to 12,083.55, 18,110.45 and 5,761.76

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Solution

The fourth proportional to 12,083.55, 18,110.45 and 5,761.76 is: 8,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.55 : 18,110.45 = 5,761.76 : x
  2. Step 2: Convert to fraction form
    12,083.55/18,110.45 = 5,761.76/x
  3. Step 3: Cross multiply
    12,083.55x = 18,110.45 × 5,761.76
  4. Step 4: Simplify right side
    12,083.55x = 104,348,066.39
  5. Step 5: Solve for x
    x = 104,348,066.39/12,083.55
  6. Step 6: Final answer
    x = 8,635.55

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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.