Home / 12,924.60-17,836.11-7,619.10

Finding the Fourth Proportional to 12,924.60, 17,836.11 and 7,619.10

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Solution

The fourth proportional to 12,924.60, 17,836.11 and 7,619.10 is: 10,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.60 : 17,836.11 = 7,619.10 : x
  2. Step 2: Convert to fraction form
    12,924.60/17,836.11 = 7,619.10/x
  3. Step 3: Cross multiply
    12,924.60x = 17,836.11 × 7,619.10
  4. Step 4: Simplify right side
    12,924.60x = 135,895,105.70
  5. Step 5: Solve for x
    x = 135,895,105.70/12,924.60
  6. Step 6: Final answer
    x = 10,514.45

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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.