Home / 18,868.06-26,033.70-10,910.08

Finding the Fourth Proportional to 18,868.06, 26,033.70 and 10,910.08

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Solution

The fourth proportional to 18,868.06, 26,033.70 and 10,910.08 is: 15,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.06 : 26,033.70 = 10,910.08 : x
  2. Step 2: Convert to fraction form
    18,868.06/26,033.70 = 10,910.08/x
  3. Step 3: Cross multiply
    18,868.06x = 26,033.70 × 10,910.08
  4. Step 4: Simplify right side
    18,868.06x = 284,029,749.70
  5. Step 5: Solve for x
    x = 284,029,749.70/18,868.06
  6. Step 6: Final answer
    x = 15,053.47

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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.