Home / 11,987.48-16,542.27-6,682.19

Finding the Fourth Proportional to 11,987.48, 16,542.27 and 6,682.19

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Solution

The fourth proportional to 11,987.48, 16,542.27 and 6,682.19 is: 9,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.48 : 16,542.27 = 6,682.19 : x
  2. Step 2: Convert to fraction form
    11,987.48/16,542.27 = 6,682.19/x
  3. Step 3: Cross multiply
    11,987.48x = 16,542.27 × 6,682.19
  4. Step 4: Simplify right side
    11,987.48x = 110,538,508.46
  5. Step 5: Solve for x
    x = 110,538,508.46/11,987.48
  6. Step 6: Final answer
    x = 9,221.17

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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.