Home / 10,860.92-14,989.67-6,882.39

Finding the Fourth Proportional to 10,860.92, 14,989.67 and 6,882.39

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Solution

The fourth proportional to 10,860.92, 14,989.67 and 6,882.39 is: 9,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.92 : 14,989.67 = 6,882.39 : x
  2. Step 2: Convert to fraction form
    10,860.92/14,989.67 = 6,882.39/x
  3. Step 3: Cross multiply
    10,860.92x = 14,989.67 × 6,882.39
  4. Step 4: Simplify right side
    10,860.92x = 103,164,720.50
  5. Step 5: Solve for x
    x = 103,164,720.50/10,860.92
  6. Step 6: Final answer
    x = 9,498.71

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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.