Home / 13,712.01-20,569.17-3,851.39

Finding the Fourth Proportional to 13,712.01, 20,569.17 and 3,851.39

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Solution

The fourth proportional to 13,712.01, 20,569.17 and 3,851.39 is: 5,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.01 : 20,569.17 = 3,851.39 : x
  2. Step 2: Convert to fraction form
    13,712.01/20,569.17 = 3,851.39/x
  3. Step 3: Cross multiply
    13,712.01x = 20,569.17 × 3,851.39
  4. Step 4: Simplify right side
    13,712.01x = 79,219,792.80
  5. Step 5: Solve for x
    x = 79,219,792.80/13,712.01
  6. Step 6: Final answer
    x = 5,777.40

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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.