Home / 15,520.07-23,289.46-5,660.21

Finding the Fourth Proportional to 15,520.07, 23,289.46 and 5,660.21

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Solution

The fourth proportional to 15,520.07, 23,289.46 and 5,660.21 is: 8,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.07 : 23,289.46 = 5,660.21 : x
  2. Step 2: Convert to fraction form
    15,520.07/23,289.46 = 5,660.21/x
  3. Step 3: Cross multiply
    15,520.07x = 23,289.46 × 5,660.21
  4. Step 4: Simplify right side
    15,520.07x = 131,823,278.46
  5. Step 5: Solve for x
    x = 131,823,278.46/15,520.07
  6. Step 6: Final answer
    x = 8,493.73

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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.