Home / 21,561.15-32,340.37-8,049.69

Finding the Fourth Proportional to 21,561.15, 32,340.37 and 8,049.69

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Solution

The fourth proportional to 21,561.15, 32,340.37 and 8,049.69 is: 12,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.15 : 32,340.37 = 8,049.69 : x
  2. Step 2: Convert to fraction form
    21,561.15/32,340.37 = 8,049.69/x
  3. Step 3: Cross multiply
    21,561.15x = 32,340.37 × 8,049.69
  4. Step 4: Simplify right side
    21,561.15x = 260,329,952.99
  5. Step 5: Solve for x
    x = 260,329,952.99/21,561.15
  6. Step 6: Final answer
    x = 12,074.03

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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.