Home / 18,452.81-27,683.83-5,305.18

Finding the Fourth Proportional to 18,452.81, 27,683.83 and 5,305.18

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Solution

The fourth proportional to 18,452.81, 27,683.83 and 5,305.18 is: 7,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.81 : 27,683.83 = 5,305.18 : x
  2. Step 2: Convert to fraction form
    18,452.81/27,683.83 = 5,305.18/x
  3. Step 3: Cross multiply
    18,452.81x = 27,683.83 × 5,305.18
  4. Step 4: Simplify right side
    18,452.81x = 146,867,811.09
  5. Step 5: Solve for x
    x = 146,867,811.09/18,452.81
  6. Step 6: Final answer
    x = 7,959.10

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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.