Home / 15,286.73-22,878.25-9,135.05

Finding the Fourth Proportional to 15,286.73, 22,878.25 and 9,135.05

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Solution

The fourth proportional to 15,286.73, 22,878.25 and 9,135.05 is: 13,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.73 : 22,878.25 = 9,135.05 : x
  2. Step 2: Convert to fraction form
    15,286.73/22,878.25 = 9,135.05/x
  3. Step 3: Cross multiply
    15,286.73x = 22,878.25 × 9,135.05
  4. Step 4: Simplify right side
    15,286.73x = 208,993,820.43
  5. Step 5: Solve for x
    x = 208,993,820.43/15,286.73
  6. Step 6: Final answer
    x = 13,671.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.