Home / 21,493.79-32,202.55-8,986.25

Finding the Fourth Proportional to 21,493.79, 32,202.55 and 8,986.25

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Solution

The fourth proportional to 21,493.79, 32,202.55 and 8,986.25 is: 13,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.79 : 32,202.55 = 8,986.25 : x
  2. Step 2: Convert to fraction form
    21,493.79/32,202.55 = 8,986.25/x
  3. Step 3: Cross multiply
    21,493.79x = 32,202.55 × 8,986.25
  4. Step 4: Simplify right side
    21,493.79x = 289,380,164.94
  5. Step 5: Solve for x
    x = 289,380,164.94/21,493.79
  6. Step 6: Final answer
    x = 13,463.43

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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.