Home / 15,980.46-24,005.25-13,520.22

Finding the Fourth Proportional to 15,980.46, 24,005.25 and 13,520.22

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Solution

The fourth proportional to 15,980.46, 24,005.25 and 13,520.22 is: 20,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.46 : 24,005.25 = 13,520.22 : x
  2. Step 2: Convert to fraction form
    15,980.46/24,005.25 = 13,520.22/x
  3. Step 3: Cross multiply
    15,980.46x = 24,005.25 × 13,520.22
  4. Step 4: Simplify right side
    15,980.46x = 324,556,261.16
  5. Step 5: Solve for x
    x = 324,556,261.16/15,980.46
  6. Step 6: Final answer
    x = 20,309.57

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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.