Home / 20,037.72-30,027.83-11,254.15

Finding the Fourth Proportional to 20,037.72, 30,027.83 and 11,254.15

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Solution

The fourth proportional to 20,037.72, 30,027.83 and 11,254.15 is: 16,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.72 : 30,027.83 = 11,254.15 : x
  2. Step 2: Convert to fraction form
    20,037.72/30,027.83 = 11,254.15/x
  3. Step 3: Cross multiply
    20,037.72x = 30,027.83 × 11,254.15
  4. Step 4: Simplify right side
    20,037.72x = 337,937,571.65
  5. Step 5: Solve for x
    x = 337,937,571.65/20,037.72
  6. Step 6: Final answer
    x = 16,865.07

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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.