Home / 18,825.85-25,976.72-10,866.59

Finding the Fourth Proportional to 18,825.85, 25,976.72 and 10,866.59

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Solution

The fourth proportional to 18,825.85, 25,976.72 and 10,866.59 is: 14,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.85 : 25,976.72 = 10,866.59 : x
  2. Step 2: Convert to fraction form
    18,825.85/25,976.72 = 10,866.59/x
  3. Step 3: Cross multiply
    18,825.85x = 25,976.72 × 10,866.59
  4. Step 4: Simplify right side
    18,825.85x = 282,278,181.57
  5. Step 5: Solve for x
    x = 282,278,181.57/18,825.85
  6. Step 6: Final answer
    x = 14,994.18

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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.