Home / 10,076.79-15,107.29-6,371.25

Finding the Fourth Proportional to 10,076.79, 15,107.29 and 6,371.25

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Solution

The fourth proportional to 10,076.79, 15,107.29 and 6,371.25 is: 9,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.79 : 15,107.29 = 6,371.25 : x
  2. Step 2: Convert to fraction form
    10,076.79/15,107.29 = 6,371.25/x
  3. Step 3: Cross multiply
    10,076.79x = 15,107.29 × 6,371.25
  4. Step 4: Simplify right side
    10,076.79x = 96,252,321.41
  5. Step 5: Solve for x
    x = 96,252,321.41/10,076.79
  6. Step 6: Final answer
    x = 9,551.88

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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.