Home / 23,609.68-35,348.30-12,491.21

Finding the Fourth Proportional to 23,609.68, 35,348.30 and 12,491.21

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Solution

The fourth proportional to 23,609.68, 35,348.30 and 12,491.21 is: 18,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,609.68 : 35,348.30 = 12,491.21 : x
  2. Step 2: Convert to fraction form
    23,609.68/35,348.30 = 12,491.21/x
  3. Step 3: Cross multiply
    23,609.68x = 35,348.30 × 12,491.21
  4. Step 4: Simplify right side
    23,609.68x = 441,543,111.20
  5. Step 5: Solve for x
    x = 441,543,111.20/23,609.68
  6. Step 6: Final answer
    x = 18,701.78

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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.