Home / 21,701.20-32,542.08-8,546.80

Finding the Fourth Proportional to 21,701.20, 32,542.08 and 8,546.80

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Solution

The fourth proportional to 21,701.20, 32,542.08 and 8,546.80 is: 12,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.20 : 32,542.08 = 8,546.80 : x
  2. Step 2: Convert to fraction form
    21,701.20/32,542.08 = 8,546.80/x
  3. Step 3: Cross multiply
    21,701.20x = 32,542.08 × 8,546.80
  4. Step 4: Simplify right side
    21,701.20x = 278,130,649.34
  5. Step 5: Solve for x
    x = 278,130,649.34/21,701.20
  6. Step 6: Final answer
    x = 12,816.37

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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.