Home / 21,446.96-32,161.53-8,291.75

Finding the Fourth Proportional to 21,446.96, 32,161.53 and 8,291.75

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Solution

The fourth proportional to 21,446.96, 32,161.53 and 8,291.75 is: 12,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.96 : 32,161.53 = 8,291.75 : x
  2. Step 2: Convert to fraction form
    21,446.96/32,161.53 = 8,291.75/x
  3. Step 3: Cross multiply
    21,446.96x = 32,161.53 × 8,291.75
  4. Step 4: Simplify right side
    21,446.96x = 266,675,366.38
  5. Step 5: Solve for x
    x = 266,675,366.38/21,446.96
  6. Step 6: Final answer
    x = 12,434.18

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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.