Home / 15,012.56-22,518.84-3,919.22

Finding the Fourth Proportional to 15,012.56, 22,518.84 and 3,919.22

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Solution

The fourth proportional to 15,012.56, 22,518.84 and 3,919.22 is: 5,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.56 : 22,518.84 = 3,919.22 : x
  2. Step 2: Convert to fraction form
    15,012.56/22,518.84 = 3,919.22/x
  3. Step 3: Cross multiply
    15,012.56x = 22,518.84 × 3,919.22
  4. Step 4: Simplify right side
    15,012.56x = 88,256,288.10
  5. Step 5: Solve for x
    x = 88,256,288.10/15,012.56
  6. Step 6: Final answer
    x = 5,878.83

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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.