Home / 21,453.50-32,180.25-5,871.12

Finding the Fourth Proportional to 21,453.50, 32,180.25 and 5,871.12

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Solution

The fourth proportional to 21,453.50, 32,180.25 and 5,871.12 is: 8,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.50 : 32,180.25 = 5,871.12 : x
  2. Step 2: Convert to fraction form
    21,453.50/32,180.25 = 5,871.12/x
  3. Step 3: Cross multiply
    21,453.50x = 32,180.25 × 5,871.12
  4. Step 4: Simplify right side
    21,453.50x = 188,934,094.70
  5. Step 5: Solve for x
    x = 188,934,094.70/21,453.50
  6. Step 6: Final answer
    x = 8,806.68

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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.