Home / 11,738.13-16,198.53-6,432.93

Finding the Fourth Proportional to 11,738.13, 16,198.53 and 6,432.93

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Solution

The fourth proportional to 11,738.13, 16,198.53 and 6,432.93 is: 8,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.13 : 16,198.53 = 6,432.93 : x
  2. Step 2: Convert to fraction form
    11,738.13/16,198.53 = 6,432.93/x
  3. Step 3: Cross multiply
    11,738.13x = 16,198.53 × 6,432.93
  4. Step 4: Simplify right side
    11,738.13x = 104,204,009.59
  5. Step 5: Solve for x
    x = 104,204,009.59/11,738.13
  6. Step 6: Final answer
    x = 8,877.39

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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.