Home / 15,745.08-23,502.42-13,876.80

Finding the Fourth Proportional to 15,745.08, 23,502.42 and 13,876.80

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Solution

The fourth proportional to 15,745.08, 23,502.42 and 13,876.80 is: 20,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.08 : 23,502.42 = 13,876.80 : x
  2. Step 2: Convert to fraction form
    15,745.08/23,502.42 = 13,876.80/x
  3. Step 3: Cross multiply
    15,745.08x = 23,502.42 × 13,876.80
  4. Step 4: Simplify right side
    15,745.08x = 326,138,229.65
  5. Step 5: Solve for x
    x = 326,138,229.65/15,745.08
  6. Step 6: Final answer
    x = 20,713.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.