Home / 13,712.16-20,569.03-3,852.20

Finding the Fourth Proportional to 13,712.16, 20,569.03 and 3,852.20

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Solution

The fourth proportional to 13,712.16, 20,569.03 and 3,852.20 is: 5,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.16 : 20,569.03 = 3,852.20 : x
  2. Step 2: Convert to fraction form
    13,712.16/20,569.03 = 3,852.20/x
  3. Step 3: Cross multiply
    13,712.16x = 20,569.03 × 3,852.20
  4. Step 4: Simplify right side
    13,712.16x = 79,236,119.39
  5. Step 5: Solve for x
    x = 79,236,119.39/13,712.16
  6. Step 6: Final answer
    x = 5,778.53

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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.