Home / 11,717.25-16,169.79-6,412.08

Finding the Fourth Proportional to 11,717.25, 16,169.79 and 6,412.08

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Solution

The fourth proportional to 11,717.25, 16,169.79 and 6,412.08 is: 8,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.25 : 16,169.79 = 6,412.08 : x
  2. Step 2: Convert to fraction form
    11,717.25/16,169.79 = 6,412.08/x
  3. Step 3: Cross multiply
    11,717.25x = 16,169.79 × 6,412.08
  4. Step 4: Simplify right side
    11,717.25x = 103,681,987.06
  5. Step 5: Solve for x
    x = 103,681,987.06/11,717.25
  6. Step 6: Final answer
    x = 8,848.66

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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.