Home / 13,944.49-19,247.66-8,280.16

Finding the Fourth Proportional to 13,944.49, 19,247.66 and 8,280.16

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Solution

The fourth proportional to 13,944.49, 19,247.66 and 8,280.16 is: 11,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.49 : 19,247.66 = 8,280.16 : x
  2. Step 2: Convert to fraction form
    13,944.49/19,247.66 = 8,280.16/x
  3. Step 3: Cross multiply
    13,944.49x = 19,247.66 × 8,280.16
  4. Step 4: Simplify right side
    13,944.49x = 159,373,704.43
  5. Step 5: Solve for x
    x = 159,373,704.43/13,944.49
  6. Step 6: Final answer
    x = 11,429.15

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Similar ratio
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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.