Home / 15,321.61-22,998.53-13,577.79

Finding the Fourth Proportional to 15,321.61, 22,998.53 and 13,577.79

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Solution

The fourth proportional to 15,321.61, 22,998.53 and 13,577.79 is: 20,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.61 : 22,998.53 = 13,577.79 : x
  2. Step 2: Convert to fraction form
    15,321.61/22,998.53 = 13,577.79/x
  3. Step 3: Cross multiply
    15,321.61x = 22,998.53 × 13,577.79
  4. Step 4: Simplify right side
    15,321.61x = 312,269,210.65
  5. Step 5: Solve for x
    x = 312,269,210.65/15,321.61
  6. Step 6: Final answer
    x = 20,380.97

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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.