Home / 11,990.62-16,547.07-6,685.77

Finding the Fourth Proportional to 11,990.62, 16,547.07 and 6,685.77

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Solution

The fourth proportional to 11,990.62, 16,547.07 and 6,685.77 is: 9,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.62 : 16,547.07 = 6,685.77 : x
  2. Step 2: Convert to fraction form
    11,990.62/16,547.07 = 6,685.77/x
  3. Step 3: Cross multiply
    11,990.62x = 16,547.07 × 6,685.77
  4. Step 4: Simplify right side
    11,990.62x = 110,629,904.19
  5. Step 5: Solve for x
    x = 110,629,904.19/11,990.62
  6. Step 6: Final answer
    x = 9,226.37

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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.