Home / 11,675.61-16,112.07-6,370.47

Finding the Fourth Proportional to 11,675.61, 16,112.07 and 6,370.47

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Solution

The fourth proportional to 11,675.61, 16,112.07 and 6,370.47 is: 8,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.61 : 16,112.07 = 6,370.47 : x
  2. Step 2: Convert to fraction form
    11,675.61/16,112.07 = 6,370.47/x
  3. Step 3: Cross multiply
    11,675.61x = 16,112.07 × 6,370.47
  4. Step 4: Simplify right side
    11,675.61x = 102,641,458.57
  5. Step 5: Solve for x
    x = 102,641,458.57/11,675.61
  6. Step 6: Final answer
    x = 8,791.10

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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.