Home / 9,118.73-12,566.66-6,596.55

Finding the Fourth Proportional to 9,118.73, 12,566.66 and 6,596.55

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Solution

The fourth proportional to 9,118.73, 12,566.66 and 6,596.55 is: 9,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.73 : 12,566.66 = 6,596.55 : x
  2. Step 2: Convert to fraction form
    9,118.73/12,566.66 = 6,596.55/x
  3. Step 3: Cross multiply
    9,118.73x = 12,566.66 × 6,596.55
  4. Step 4: Simplify right side
    9,118.73x = 82,896,568.04
  5. Step 5: Solve for x
    x = 82,896,568.04/9,118.73
  6. Step 6: Final answer
    x = 9,090.81

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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.