Home / 15,259.10-22,881.60-6,938.78

Finding the Fourth Proportional to 15,259.10, 22,881.60 and 6,938.78

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Solution

The fourth proportional to 15,259.10, 22,881.60 and 6,938.78 is: 10,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.10 : 22,881.60 = 6,938.78 : x
  2. Step 2: Convert to fraction form
    15,259.10/22,881.60 = 6,938.78/x
  3. Step 3: Cross multiply
    15,259.10x = 22,881.60 × 6,938.78
  4. Step 4: Simplify right side
    15,259.10x = 158,770,388.45
  5. Step 5: Solve for x
    x = 158,770,388.45/15,259.10
  6. Step 6: Final answer
    x = 10,404.96

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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.