Home / 16,355.18-24,561.84-13,399.22

Finding the Fourth Proportional to 16,355.18, 24,561.84 and 13,399.22

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Solution

The fourth proportional to 16,355.18, 24,561.84 and 13,399.22 is: 20,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.18 : 24,561.84 = 13,399.22 : x
  2. Step 2: Convert to fraction form
    16,355.18/24,561.84 = 13,399.22/x
  3. Step 3: Cross multiply
    16,355.18x = 24,561.84 × 13,399.22
  4. Step 4: Simplify right side
    16,355.18x = 329,109,497.76
  5. Step 5: Solve for x
    x = 329,109,497.76/16,355.18
  6. Step 6: Final answer
    x = 20,122.65

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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.