Home / 11,283.06-16,920.27-6,660.66

Finding the Fourth Proportional to 11,283.06, 16,920.27 and 6,660.66

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Solution

The fourth proportional to 11,283.06, 16,920.27 and 6,660.66 is: 9,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.06 : 16,920.27 = 6,660.66 : x
  2. Step 2: Convert to fraction form
    11,283.06/16,920.27 = 6,660.66/x
  3. Step 3: Cross multiply
    11,283.06x = 16,920.27 × 6,660.66
  4. Step 4: Simplify right side
    11,283.06x = 112,700,165.58
  5. Step 5: Solve for x
    x = 112,700,165.58/11,283.06
  6. Step 6: Final answer
    x = 9,988.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.