Home / 18,293.78-25,246.68-11,126.50

Finding the Fourth Proportional to 18,293.78, 25,246.68 and 11,126.50

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Solution

The fourth proportional to 18,293.78, 25,246.68 and 11,126.50 is: 15,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.78 : 25,246.68 = 11,126.50 : x
  2. Step 2: Convert to fraction form
    18,293.78/25,246.68 = 11,126.50/x
  3. Step 3: Cross multiply
    18,293.78x = 25,246.68 × 11,126.50
  4. Step 4: Simplify right side
    18,293.78x = 280,907,185.02
  5. Step 5: Solve for x
    x = 280,907,185.02/18,293.78
  6. Step 6: Final answer
    x = 15,355.34

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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.