Home / 21,600.87-32,380.25-10,507.11

Finding the Fourth Proportional to 21,600.87, 32,380.25 and 10,507.11

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Solution

The fourth proportional to 21,600.87, 32,380.25 and 10,507.11 is: 15,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.87 : 32,380.25 = 10,507.11 : x
  2. Step 2: Convert to fraction form
    21,600.87/32,380.25 = 10,507.11/x
  3. Step 3: Cross multiply
    21,600.87x = 32,380.25 × 10,507.11
  4. Step 4: Simplify right side
    21,600.87x = 340,222,796.04
  5. Step 5: Solve for x
    x = 340,222,796.04/21,600.87
  6. Step 6: Final answer
    x = 15,750.42

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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.