Home / 15,328.20-22,997.70-7,531.80

Finding the Fourth Proportional to 15,328.20, 22,997.70 and 7,531.80

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Solution

The fourth proportional to 15,328.20, 22,997.70 and 7,531.80 is: 11,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.20 : 22,997.70 = 7,531.80 : x
  2. Step 2: Convert to fraction form
    15,328.20/22,997.70 = 7,531.80/x
  3. Step 3: Cross multiply
    15,328.20x = 22,997.70 × 7,531.80
  4. Step 4: Simplify right side
    15,328.20x = 173,214,076.86
  5. Step 5: Solve for x
    x = 173,214,076.86/15,328.20
  6. Step 6: Final answer
    x = 11,300.35

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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.