Home / 11,990.52-16,547.22-6,685.29

Finding the Fourth Proportional to 11,990.52, 16,547.22 and 6,685.29

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Solution

The fourth proportional to 11,990.52, 16,547.22 and 6,685.29 is: 9,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.52 : 16,547.22 = 6,685.29 : x
  2. Step 2: Convert to fraction form
    11,990.52/16,547.22 = 6,685.29/x
  3. Step 3: Cross multiply
    11,990.52x = 16,547.22 × 6,685.29
  4. Step 4: Simplify right side
    11,990.52x = 110,622,964.39
  5. Step 5: Solve for x
    x = 110,622,964.39/11,990.52
  6. Step 6: Final answer
    x = 9,225.87

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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.