Home / 10,851.40-16,277.10-7,568.20

Finding the Fourth Proportional to 10,851.40, 16,277.10 and 7,568.20

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Solution

The fourth proportional to 10,851.40, 16,277.10 and 7,568.20 is: 11,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.40 : 16,277.10 = 7,568.20 : x
  2. Step 2: Convert to fraction form
    10,851.40/16,277.10 = 7,568.20/x
  3. Step 3: Cross multiply
    10,851.40x = 16,277.10 × 7,568.20
  4. Step 4: Simplify right side
    10,851.40x = 123,188,348.22
  5. Step 5: Solve for x
    x = 123,188,348.22/10,851.40
  6. Step 6: Final answer
    x = 11,352.30

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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.