Home / 15,015.16-22,529.19-8,431.48

Finding the Fourth Proportional to 15,015.16, 22,529.19 and 8,431.48

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Solution

The fourth proportional to 15,015.16, 22,529.19 and 8,431.48 is: 12,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.16 : 22,529.19 = 8,431.48 : x
  2. Step 2: Convert to fraction form
    15,015.16/22,529.19 = 8,431.48/x
  3. Step 3: Cross multiply
    15,015.16x = 22,529.19 × 8,431.48
  4. Step 4: Simplify right side
    15,015.16x = 189,954,414.90
  5. Step 5: Solve for x
    x = 189,954,414.90/15,015.16
  6. Step 6: Final answer
    x = 12,650.84

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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.