Home / 15,019.80-22,532.40-5,156.52

Finding the Fourth Proportional to 15,019.80, 22,532.40 and 5,156.52

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Solution

The fourth proportional to 15,019.80, 22,532.40 and 5,156.52 is: 7,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.80 : 22,532.40 = 5,156.52 : x
  2. Step 2: Convert to fraction form
    15,019.80/22,532.40 = 5,156.52/x
  3. Step 3: Cross multiply
    15,019.80x = 22,532.40 × 5,156.52
  4. Step 4: Simplify right side
    15,019.80x = 116,188,771.25
  5. Step 5: Solve for x
    x = 116,188,771.25/15,019.80
  6. Step 6: Final answer
    x = 7,735.71

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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.