Home / 18,887.45-26,063.66-10,387.94

Finding the Fourth Proportional to 18,887.45, 26,063.66 and 10,387.94

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Solution

The fourth proportional to 18,887.45, 26,063.66 and 10,387.94 is: 14,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.45 : 26,063.66 = 10,387.94 : x
  2. Step 2: Convert to fraction form
    18,887.45/26,063.66 = 10,387.94/x
  3. Step 3: Cross multiply
    18,887.45x = 26,063.66 × 10,387.94
  4. Step 4: Simplify right side
    18,887.45x = 270,747,684.32
  5. Step 5: Solve for x
    x = 270,747,684.32/18,887.45
  6. Step 6: Final answer
    x = 14,334.79

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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.