Home / 14,279.97-21,414.06-5,393.79

Finding the Fourth Proportional to 14,279.97, 21,414.06 and 5,393.79

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Solution

The fourth proportional to 14,279.97, 21,414.06 and 5,393.79 is: 8,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.97 : 21,414.06 = 5,393.79 : x
  2. Step 2: Convert to fraction form
    14,279.97/21,414.06 = 5,393.79/x
  3. Step 3: Cross multiply
    14,279.97x = 21,414.06 × 5,393.79
  4. Step 4: Simplify right side
    14,279.97x = 115,502,957.86
  5. Step 5: Solve for x
    x = 115,502,957.86/14,279.97
  6. Step 6: Final answer
    x = 8,088.46

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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.