Home / 14,044.73-21,070.24-5,279.72

Finding the Fourth Proportional to 14,044.73, 21,070.24 and 5,279.72

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Solution

The fourth proportional to 14,044.73, 21,070.24 and 5,279.72 is: 7,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.73 : 21,070.24 = 5,279.72 : x
  2. Step 2: Convert to fraction form
    14,044.73/21,070.24 = 5,279.72/x
  3. Step 3: Cross multiply
    14,044.73x = 21,070.24 × 5,279.72
  4. Step 4: Simplify right side
    14,044.73x = 111,245,007.01
  5. Step 5: Solve for x
    x = 111,245,007.01/14,044.73
  6. Step 6: Final answer
    x = 7,920.76

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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.