Home / 11,812.55-17,719.23-6,258.38

Finding the Fourth Proportional to 11,812.55, 17,719.23 and 6,258.38

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Solution

The fourth proportional to 11,812.55, 17,719.23 and 6,258.38 is: 9,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.55 : 17,719.23 = 6,258.38 : x
  2. Step 2: Convert to fraction form
    11,812.55/17,719.23 = 6,258.38/x
  3. Step 3: Cross multiply
    11,812.55x = 17,719.23 × 6,258.38
  4. Step 4: Simplify right side
    11,812.55x = 110,893,674.65
  5. Step 5: Solve for x
    x = 110,893,674.65/11,812.55
  6. Step 6: Final answer
    x = 9,387.78

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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.