Home / 11,083.61-15,297.36-6,607.65

Finding the Fourth Proportional to 11,083.61, 15,297.36 and 6,607.65

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Solution

The fourth proportional to 11,083.61, 15,297.36 and 6,607.65 is: 9,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.61 : 15,297.36 = 6,607.65 : x
  2. Step 2: Convert to fraction form
    11,083.61/15,297.36 = 6,607.65/x
  3. Step 3: Cross multiply
    11,083.61x = 15,297.36 × 6,607.65
  4. Step 4: Simplify right side
    11,083.61x = 101,079,600.80
  5. Step 5: Solve for x
    x = 101,079,600.80/11,083.61
  6. Step 6: Final answer
    x = 9,119.74

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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.