Home / 13,586.72-20,383.02-4,226.57

Finding the Fourth Proportional to 13,586.72, 20,383.02 and 4,226.57

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Solution

The fourth proportional to 13,586.72, 20,383.02 and 4,226.57 is: 6,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.72 : 20,383.02 = 4,226.57 : x
  2. Step 2: Convert to fraction form
    13,586.72/20,383.02 = 4,226.57/x
  3. Step 3: Cross multiply
    13,586.72x = 20,383.02 × 4,226.57
  4. Step 4: Simplify right side
    13,586.72x = 86,150,260.84
  5. Step 5: Solve for x
    x = 86,150,260.84/13,586.72
  6. Step 6: Final answer
    x = 6,340.77

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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.