Home / 11,766.08-16,238.52-6,987.48

Finding the Fourth Proportional to 11,766.08, 16,238.52 and 6,987.48

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Solution

The fourth proportional to 11,766.08, 16,238.52 and 6,987.48 is: 9,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.08 : 16,238.52 = 6,987.48 : x
  2. Step 2: Convert to fraction form
    11,766.08/16,238.52 = 6,987.48/x
  3. Step 3: Cross multiply
    11,766.08x = 16,238.52 × 6,987.48
  4. Step 4: Simplify right side
    11,766.08x = 113,466,333.73
  5. Step 5: Solve for x
    x = 113,466,333.73/11,766.08
  6. Step 6: Final answer
    x = 9,643.52

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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.