Home / 18,376.06-25,352.82-10,308.54

Finding the Fourth Proportional to 18,376.06, 25,352.82 and 10,308.54

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Solution

The fourth proportional to 18,376.06, 25,352.82 and 10,308.54 is: 14,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.06 : 25,352.82 = 10,308.54 : x
  2. Step 2: Convert to fraction form
    18,376.06/25,352.82 = 10,308.54/x
  3. Step 3: Cross multiply
    18,376.06x = 25,352.82 × 10,308.54
  4. Step 4: Simplify right side
    18,376.06x = 261,350,559.08
  5. Step 5: Solve for x
    x = 261,350,559.08/18,376.06
  6. Step 6: Final answer
    x = 14,222.34

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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.