Home / 13,712.32-20,569.25-3,850.83

Finding the Fourth Proportional to 13,712.32, 20,569.25 and 3,850.83

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Solution

The fourth proportional to 13,712.32, 20,569.25 and 3,850.83 is: 5,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.32 : 20,569.25 = 3,850.83 : x
  2. Step 2: Convert to fraction form
    13,712.32/20,569.25 = 3,850.83/x
  3. Step 3: Cross multiply
    13,712.32x = 20,569.25 × 3,850.83
  4. Step 4: Simplify right side
    13,712.32x = 79,208,680.16
  5. Step 5: Solve for x
    x = 79,208,680.16/13,712.32
  6. Step 6: Final answer
    x = 5,776.46

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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.