Home / 18,887.26-26,063.31-10,928.92

Finding the Fourth Proportional to 18,887.26, 26,063.31 and 10,928.92

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Solution

The fourth proportional to 18,887.26, 26,063.31 and 10,928.92 is: 15,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.26 : 26,063.31 = 10,928.92 : x
  2. Step 2: Convert to fraction form
    18,887.26/26,063.31 = 10,928.92/x
  3. Step 3: Cross multiply
    18,887.26x = 26,063.31 × 10,928.92
  4. Step 4: Simplify right side
    18,887.26x = 284,843,829.93
  5. Step 5: Solve for x
    x = 284,843,829.93/18,887.26
  6. Step 6: Final answer
    x = 15,081.27

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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.