Home / 12,440.58-17,169.24-9,291.30

Finding the Fourth Proportional to 12,440.58, 17,169.24 and 9,291.30

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Solution

The fourth proportional to 12,440.58, 17,169.24 and 9,291.30 is: 12,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.58 : 17,169.24 = 9,291.30 : x
  2. Step 2: Convert to fraction form
    12,440.58/17,169.24 = 9,291.30/x
  3. Step 3: Cross multiply
    12,440.58x = 17,169.24 × 9,291.30
  4. Step 4: Simplify right side
    12,440.58x = 159,524,559.61
  5. Step 5: Solve for x
    x = 159,524,559.61/12,440.58
  6. Step 6: Final answer
    x = 12,822.92

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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.