Home / 8,560.33-11,839.50-7,675.81

Finding the Fourth Proportional to 8,560.33, 11,839.50 and 7,675.81

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Solution

The fourth proportional to 8,560.33, 11,839.50 and 7,675.81 is: 10,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.33 : 11,839.50 = 7,675.81 : x
  2. Step 2: Convert to fraction form
    8,560.33/11,839.50 = 7,675.81/x
  3. Step 3: Cross multiply
    8,560.33x = 11,839.50 × 7,675.81
  4. Step 4: Simplify right side
    8,560.33x = 90,877,722.90
  5. Step 5: Solve for x
    x = 90,877,722.90/8,560.33
  6. Step 6: Final answer
    x = 10,616.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.