Home / 14,108.76-21,163.14-5,787.18

Finding the Fourth Proportional to 14,108.76, 21,163.14 and 5,787.18

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Solution

The fourth proportional to 14,108.76, 21,163.14 and 5,787.18 is: 8,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.76 : 21,163.14 = 5,787.18 : x
  2. Step 2: Convert to fraction form
    14,108.76/21,163.14 = 5,787.18/x
  3. Step 3: Cross multiply
    14,108.76x = 21,163.14 × 5,787.18
  4. Step 4: Simplify right side
    14,108.76x = 122,474,900.55
  5. Step 5: Solve for x
    x = 122,474,900.55/14,108.76
  6. Step 6: Final answer
    x = 8,680.77

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Double scale
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Similar ratio
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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.