Home / 11,990.58-16,547.07-6,685.74

Finding the Fourth Proportional to 11,990.58, 16,547.07 and 6,685.74

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Solution

The fourth proportional to 11,990.58, 16,547.07 and 6,685.74 is: 9,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.58 : 16,547.07 = 6,685.74 : x
  2. Step 2: Convert to fraction form
    11,990.58/16,547.07 = 6,685.74/x
  3. Step 3: Cross multiply
    11,990.58x = 16,547.07 × 6,685.74
  4. Step 4: Simplify right side
    11,990.58x = 110,629,407.78
  5. Step 5: Solve for x
    x = 110,629,407.78/11,990.58
  6. Step 6: Final answer
    x = 9,226.36

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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.