Home / 15,487.71-23,240.82-5,627.78

Finding the Fourth Proportional to 15,487.71, 23,240.82 and 5,627.78

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Solution

The fourth proportional to 15,487.71, 23,240.82 and 5,627.78 is: 8,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.71 : 23,240.82 = 5,627.78 : x
  2. Step 2: Convert to fraction form
    15,487.71/23,240.82 = 5,627.78/x
  3. Step 3: Cross multiply
    15,487.71x = 23,240.82 × 5,627.78
  4. Step 4: Simplify right side
    15,487.71x = 130,794,214.03
  5. Step 5: Solve for x
    x = 130,794,214.03/15,487.71
  6. Step 6: Final answer
    x = 8,445.03

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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.