Home / 11,990.97-16,547.66-6,886.42

Finding the Fourth Proportional to 11,990.97, 16,547.66 and 6,886.42

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Solution

The fourth proportional to 11,990.97, 16,547.66 and 6,886.42 is: 9,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.97 : 16,547.66 = 6,886.42 : x
  2. Step 2: Convert to fraction form
    11,990.97/16,547.66 = 6,886.42/x
  3. Step 3: Cross multiply
    11,990.97x = 16,547.66 × 6,886.42
  4. Step 4: Simplify right side
    11,990.97x = 113,954,206.04
  5. Step 5: Solve for x
    x = 113,954,206.04/11,990.97
  6. Step 6: Final answer
    x = 9,503.33

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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.