Home / 11,548.86-15,939.12-6,834.66

Finding the Fourth Proportional to 11,548.86, 15,939.12 and 6,834.66

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Solution

The fourth proportional to 11,548.86, 15,939.12 and 6,834.66 is: 9,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.86 : 15,939.12 = 6,834.66 : x
  2. Step 2: Convert to fraction form
    11,548.86/15,939.12 = 6,834.66/x
  3. Step 3: Cross multiply
    11,548.86x = 15,939.12 × 6,834.66
  4. Step 4: Simplify right side
    11,548.86x = 108,938,465.90
  5. Step 5: Solve for x
    x = 108,938,465.90/11,548.86
  6. Step 6: Final answer
    x = 9,432.83

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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.