Home / 12,273.12-18,409.68-9,367.92

Finding the Fourth Proportional to 12,273.12, 18,409.68 and 9,367.92

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Solution

The fourth proportional to 12,273.12, 18,409.68 and 9,367.92 is: 14,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.12 : 18,409.68 = 9,367.92 : x
  2. Step 2: Convert to fraction form
    12,273.12/18,409.68 = 9,367.92/x
  3. Step 3: Cross multiply
    12,273.12x = 18,409.68 × 9,367.92
  4. Step 4: Simplify right side
    12,273.12x = 172,460,409.47
  5. Step 5: Solve for x
    x = 172,460,409.47/12,273.12
  6. Step 6: Final answer
    x = 14,051.88

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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.