Home / 9,034.74-13,556.97-8,616.78

Finding the Fourth Proportional to 9,034.74, 13,556.97 and 8,616.78

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Solution

The fourth proportional to 9,034.74, 13,556.97 and 8,616.78 is: 12,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,034.74 : 13,556.97 = 8,616.78 : x
  2. Step 2: Convert to fraction form
    9,034.74/13,556.97 = 8,616.78/x
  3. Step 3: Cross multiply
    9,034.74x = 13,556.97 × 8,616.78
  4. Step 4: Simplify right side
    9,034.74x = 116,817,427.96
  5. Step 5: Solve for x
    x = 116,817,427.96/9,034.74
  6. Step 6: Final answer
    x = 12,929.81

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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.