Home / 15,828-23,745.32-5,440.56

Finding the Fourth Proportional to 15,828, 23,745.32 and 5,440.56

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Solution

The fourth proportional to 15,828, 23,745.32 and 5,440.56 is: 8,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828 : 23,745.32 = 5,440.56 : x
  2. Step 2: Convert to fraction form
    15,828/23,745.32 = 5,440.56/x
  3. Step 3: Cross multiply
    15,828x = 23,745.32 × 5,440.56
  4. Step 4: Simplify right side
    15,828x = 129,187,838.18
  5. Step 5: Solve for x
    x = 129,187,838.18/15,828
  6. Step 6: Final answer
    x = 8,161.98

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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.