Home / 11,731.24-16,189.56-6,426.52

Finding the Fourth Proportional to 11,731.24, 16,189.56 and 6,426.52

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Solution

The fourth proportional to 11,731.24, 16,189.56 and 6,426.52 is: 8,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.24 : 16,189.56 = 6,426.52 : x
  2. Step 2: Convert to fraction form
    11,731.24/16,189.56 = 6,426.52/x
  3. Step 3: Cross multiply
    11,731.24x = 16,189.56 × 6,426.52
  4. Step 4: Simplify right side
    11,731.24x = 104,042,531.13
  5. Step 5: Solve for x
    x = 104,042,531.13/11,731.24
  6. Step 6: Final answer
    x = 8,868.84

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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.