Home / 21,445.68-32,177.70-8,968.62

Finding the Fourth Proportional to 21,445.68, 32,177.70 and 8,968.62

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Solution

The fourth proportional to 21,445.68, 32,177.70 and 8,968.62 is: 13,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.68 : 32,177.70 = 8,968.62 : x
  2. Step 2: Convert to fraction form
    21,445.68/32,177.70 = 8,968.62/x
  3. Step 3: Cross multiply
    21,445.68x = 32,177.70 × 8,968.62
  4. Step 4: Simplify right side
    21,445.68x = 288,589,563.77
  5. Step 5: Solve for x
    x = 288,589,563.77/21,445.68
  6. Step 6: Final answer
    x = 13,456.77

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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.