Home / 11,511.17-17,250.28-9,160.58

Finding the Fourth Proportional to 11,511.17, 17,250.28 and 9,160.58

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Solution

The fourth proportional to 11,511.17, 17,250.28 and 9,160.58 is: 13,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.17 : 17,250.28 = 9,160.58 : x
  2. Step 2: Convert to fraction form
    11,511.17/17,250.28 = 9,160.58/x
  3. Step 3: Cross multiply
    11,511.17x = 17,250.28 × 9,160.58
  4. Step 4: Simplify right side
    11,511.17x = 158,022,569.96
  5. Step 5: Solve for x
    x = 158,022,569.96/11,511.17
  6. Step 6: Final answer
    x = 13,727.76

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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.