Home / 18,863.42-26,033.76-11,313.90

Finding the Fourth Proportional to 18,863.42, 26,033.76 and 11,313.90

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Solution

The fourth proportional to 18,863.42, 26,033.76 and 11,313.90 is: 15,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.42 : 26,033.76 = 11,313.90 : x
  2. Step 2: Convert to fraction form
    18,863.42/26,033.76 = 11,313.90/x
  3. Step 3: Cross multiply
    18,863.42x = 26,033.76 × 11,313.90
  4. Step 4: Simplify right side
    18,863.42x = 294,543,357.26
  5. Step 5: Solve for x
    x = 294,543,357.26/18,863.42
  6. Step 6: Final answer
    x = 15,614.53

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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.