Home / 20,018.17-30,037.92-11,253.70

Finding the Fourth Proportional to 20,018.17, 30,037.92 and 11,253.70

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Solution

The fourth proportional to 20,018.17, 30,037.92 and 11,253.70 is: 16,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.17 : 30,037.92 = 11,253.70 : x
  2. Step 2: Convert to fraction form
    20,018.17/30,037.92 = 11,253.70/x
  3. Step 3: Cross multiply
    20,018.17x = 30,037.92 × 11,253.70
  4. Step 4: Simplify right side
    20,018.17x = 338,037,740.30
  5. Step 5: Solve for x
    x = 338,037,740.30/20,018.17
  6. Step 6: Final answer
    x = 16,886.55

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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.