Home / 15,453.54-23,124.96-13,380.72

Finding the Fourth Proportional to 15,453.54, 23,124.96 and 13,380.72

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Solution

The fourth proportional to 15,453.54, 23,124.96 and 13,380.72 is: 20,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.54 : 23,124.96 = 13,380.72 : x
  2. Step 2: Convert to fraction form
    15,453.54/23,124.96 = 13,380.72/x
  3. Step 3: Cross multiply
    15,453.54x = 23,124.96 × 13,380.72
  4. Step 4: Simplify right side
    15,453.54x = 309,428,614.77
  5. Step 5: Solve for x
    x = 309,428,614.77/15,453.54
  6. Step 6: Final answer
    x = 20,023.15

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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.