Home / 12,767.22-17,604.24-8,989.18

Finding the Fourth Proportional to 12,767.22, 17,604.24 and 8,989.18

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Solution

The fourth proportional to 12,767.22, 17,604.24 and 8,989.18 is: 12,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.22 : 17,604.24 = 8,989.18 : x
  2. Step 2: Convert to fraction form
    12,767.22/17,604.24 = 8,989.18/x
  3. Step 3: Cross multiply
    12,767.22x = 17,604.24 × 8,989.18
  4. Step 4: Simplify right side
    12,767.22x = 158,247,604.40
  5. Step 5: Solve for x
    x = 158,247,604.40/12,767.22
  6. Step 6: Final answer
    x = 12,394.84

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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.