Home / 15,015.78-22,524.84-4,485

Finding the Fourth Proportional to 15,015.78, 22,524.84 and 4,485

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Solution

The fourth proportional to 15,015.78, 22,524.84 and 4,485 is: 6,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.78 : 22,524.84 = 4,485 : x
  2. Step 2: Convert to fraction form
    15,015.78/22,524.84 = 4,485/x
  3. Step 3: Cross multiply
    15,015.78x = 22,524.84 × 4,485
  4. Step 4: Simplify right side
    15,015.78x = 101,023,907.40
  5. Step 5: Solve for x
    x = 101,023,907.40/15,015.78
  6. Step 6: Final answer
    x = 6,727.85

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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.