Home / 18,009.20-24,835.92-11,948.76

Finding the Fourth Proportional to 18,009.20, 24,835.92 and 11,948.76

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Solution

The fourth proportional to 18,009.20, 24,835.92 and 11,948.76 is: 16,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.20 : 24,835.92 = 11,948.76 : x
  2. Step 2: Convert to fraction form
    18,009.20/24,835.92 = 11,948.76/x
  3. Step 3: Cross multiply
    18,009.20x = 24,835.92 × 11,948.76
  4. Step 4: Simplify right side
    18,009.20x = 296,758,447.46
  5. Step 5: Solve for x
    x = 296,758,447.46/18,009.20
  6. Step 6: Final answer
    x = 16,478.16

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Half scale
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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.