Home / 21,649.50-32,475.20-6,859.51

Finding the Fourth Proportional to 21,649.50, 32,475.20 and 6,859.51

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Solution

The fourth proportional to 21,649.50, 32,475.20 and 6,859.51 is: 10,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.50 : 32,475.20 = 6,859.51 : x
  2. Step 2: Convert to fraction form
    21,649.50/32,475.20 = 6,859.51/x
  3. Step 3: Cross multiply
    21,649.50x = 32,475.20 × 6,859.51
  4. Step 4: Simplify right side
    21,649.50x = 222,763,843.67
  5. Step 5: Solve for x
    x = 222,763,843.67/21,649.50
  6. Step 6: Final answer
    x = 10,289.56

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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.