Home / 12,677.44-17,470.20-9,133.96

Finding the Fourth Proportional to 12,677.44, 17,470.20 and 9,133.96

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Solution

The fourth proportional to 12,677.44, 17,470.20 and 9,133.96 is: 12,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.44 : 17,470.20 = 9,133.96 : x
  2. Step 2: Convert to fraction form
    12,677.44/17,470.20 = 9,133.96/x
  3. Step 3: Cross multiply
    12,677.44x = 17,470.20 × 9,133.96
  4. Step 4: Simplify right side
    12,677.44x = 159,572,107.99
  5. Step 5: Solve for x
    x = 159,572,107.99/12,677.44
  6. Step 6: Final answer
    x = 12,587.09

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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.