Home / 10,627.74-15,938.24-3,872.49

Finding the Fourth Proportional to 10,627.74, 15,938.24 and 3,872.49

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Solution

The fourth proportional to 10,627.74, 15,938.24 and 3,872.49 is: 5,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.74 : 15,938.24 = 3,872.49 : x
  2. Step 2: Convert to fraction form
    10,627.74/15,938.24 = 3,872.49/x
  3. Step 3: Cross multiply
    10,627.74x = 15,938.24 × 3,872.49
  4. Step 4: Simplify right side
    10,627.74x = 61,720,655.66
  5. Step 5: Solve for x
    x = 61,720,655.66/10,627.74
  6. Step 6: Final answer
    x = 5,807.50

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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.