Home / 12,247.80-18,339.30-9,634.20

Finding the Fourth Proportional to 12,247.80, 18,339.30 and 9,634.20

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Solution

The fourth proportional to 12,247.80, 18,339.30 and 9,634.20 is: 14,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.80 : 18,339.30 = 9,634.20 : x
  2. Step 2: Convert to fraction form
    12,247.80/18,339.30 = 9,634.20/x
  3. Step 3: Cross multiply
    12,247.80x = 18,339.30 × 9,634.20
  4. Step 4: Simplify right side
    12,247.80x = 176,684,484.06
  5. Step 5: Solve for x
    x = 176,684,484.06/12,247.80
  6. Step 6: Final answer
    x = 14,425.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.