Home / 13,974.32-19,279.10-8,002.82

Finding the Fourth Proportional to 13,974.32, 19,279.10 and 8,002.82

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Solution

The fourth proportional to 13,974.32, 19,279.10 and 8,002.82 is: 11,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.32 : 19,279.10 = 8,002.82 : x
  2. Step 2: Convert to fraction form
    13,974.32/19,279.10 = 8,002.82/x
  3. Step 3: Cross multiply
    13,974.32x = 19,279.10 × 8,002.82
  4. Step 4: Simplify right side
    13,974.32x = 154,287,167.06
  5. Step 5: Solve for x
    x = 154,287,167.06/13,974.32
  6. Step 6: Final answer
    x = 11,040.76

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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.