Home / 11,244.80-16,875.30-6,309.20

Finding the Fourth Proportional to 11,244.80, 16,875.30 and 6,309.20

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Solution

The fourth proportional to 11,244.80, 16,875.30 and 6,309.20 is: 9,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.80 : 16,875.30 = 6,309.20 : x
  2. Step 2: Convert to fraction form
    11,244.80/16,875.30 = 6,309.20/x
  3. Step 3: Cross multiply
    11,244.80x = 16,875.30 × 6,309.20
  4. Step 4: Simplify right side
    11,244.80x = 106,469,642.76
  5. Step 5: Solve for x
    x = 106,469,642.76/11,244.80
  6. Step 6: Final answer
    x = 9,468.34

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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.