Home / 10,124.49-15,191.85-6,830.66

Finding the Fourth Proportional to 10,124.49, 15,191.85 and 6,830.66

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Solution

The fourth proportional to 10,124.49, 15,191.85 and 6,830.66 is: 10,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.49 : 15,191.85 = 6,830.66 : x
  2. Step 2: Convert to fraction form
    10,124.49/15,191.85 = 6,830.66/x
  3. Step 3: Cross multiply
    10,124.49x = 15,191.85 × 6,830.66
  4. Step 4: Simplify right side
    10,124.49x = 103,770,324.14
  5. Step 5: Solve for x
    x = 103,770,324.14/10,124.49
  6. Step 6: Final answer
    x = 10,249.44

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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.