Home / 21,635.86-32,453.60-6,844.80

Finding the Fourth Proportional to 21,635.86, 32,453.60 and 6,844.80

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Solution

The fourth proportional to 21,635.86, 32,453.60 and 6,844.80 is: 10,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.86 : 32,453.60 = 6,844.80 : x
  2. Step 2: Convert to fraction form
    21,635.86/32,453.60 = 6,844.80/x
  3. Step 3: Cross multiply
    21,635.86x = 32,453.60 × 6,844.80
  4. Step 4: Simplify right side
    21,635.86x = 222,138,401.28
  5. Step 5: Solve for x
    x = 222,138,401.28/21,635.86
  6. Step 6: Final answer
    x = 10,267.14

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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.