Home / 12,874.74-19,279.44-10,789.26

Finding the Fourth Proportional to 12,874.74, 19,279.44 and 10,789.26

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Solution

The fourth proportional to 12,874.74, 19,279.44 and 10,789.26 is: 16,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.74 : 19,279.44 = 10,789.26 : x
  2. Step 2: Convert to fraction form
    12,874.74/19,279.44 = 10,789.26/x
  3. Step 3: Cross multiply
    12,874.74x = 19,279.44 × 10,789.26
  4. Step 4: Simplify right side
    12,874.74x = 208,010,890.81
  5. Step 5: Solve for x
    x = 208,010,890.81/12,874.74
  6. Step 6: Final answer
    x = 16,156.51

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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.