Home / 14,221.92-21,333.02-5,454.75

Finding the Fourth Proportional to 14,221.92, 21,333.02 and 5,454.75

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Solution

The fourth proportional to 14,221.92, 21,333.02 and 5,454.75 is: 8,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.92 : 21,333.02 = 5,454.75 : x
  2. Step 2: Convert to fraction form
    14,221.92/21,333.02 = 5,454.75/x
  3. Step 3: Cross multiply
    14,221.92x = 21,333.02 × 5,454.75
  4. Step 4: Simplify right side
    14,221.92x = 116,366,263.57
  5. Step 5: Solve for x
    x = 116,366,263.57/14,221.92
  6. Step 6: Final answer
    x = 8,182.18

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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.