Home / 10,881.17-16,321.75-7,182.53

Finding the Fourth Proportional to 10,881.17, 16,321.75 and 7,182.53

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Solution

The fourth proportional to 10,881.17, 16,321.75 and 7,182.53 is: 10,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.17 : 16,321.75 = 7,182.53 : x
  2. Step 2: Convert to fraction form
    10,881.17/16,321.75 = 7,182.53/x
  3. Step 3: Cross multiply
    10,881.17x = 16,321.75 × 7,182.53
  4. Step 4: Simplify right side
    10,881.17x = 117,231,508.81
  5. Step 5: Solve for x
    x = 117,231,508.81/10,881.17
  6. Step 6: Final answer
    x = 10,773.80

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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.