Home / 21,443.96-32,166.12-8,297.84

Finding the Fourth Proportional to 21,443.96, 32,166.12 and 8,297.84

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Solution

The fourth proportional to 21,443.96, 32,166.12 and 8,297.84 is: 12,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.96 : 32,166.12 = 8,297.84 : x
  2. Step 2: Convert to fraction form
    21,443.96/32,166.12 = 8,297.84/x
  3. Step 3: Cross multiply
    21,443.96x = 32,166.12 × 8,297.84
  4. Step 4: Simplify right side
    21,443.96x = 266,909,317.18
  5. Step 5: Solve for x
    x = 266,909,317.18/21,443.96
  6. Step 6: Final answer
    x = 12,446.83

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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.