Home / 12,764.35-17,612.22-7,458.13

Finding the Fourth Proportional to 12,764.35, 17,612.22 and 7,458.13

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Solution

The fourth proportional to 12,764.35, 17,612.22 and 7,458.13 is: 10,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.35 : 17,612.22 = 7,458.13 : x
  2. Step 2: Convert to fraction form
    12,764.35/17,612.22 = 7,458.13/x
  3. Step 3: Cross multiply
    12,764.35x = 17,612.22 × 7,458.13
  4. Step 4: Simplify right side
    12,764.35x = 131,354,226.35
  5. Step 5: Solve for x
    x = 131,354,226.35/12,764.35
  6. Step 6: Final answer
    x = 10,290.71

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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.