Home / 13,711.14-20,567.37-3,851.40

Finding the Fourth Proportional to 13,711.14, 20,567.37 and 3,851.40

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Solution

The fourth proportional to 13,711.14, 20,567.37 and 3,851.40 is: 5,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.14 : 20,567.37 = 3,851.40 : x
  2. Step 2: Convert to fraction form
    13,711.14/20,567.37 = 3,851.40/x
  3. Step 3: Cross multiply
    13,711.14x = 20,567.37 × 3,851.40
  4. Step 4: Simplify right side
    13,711.14x = 79,213,168.82
  5. Step 5: Solve for x
    x = 79,213,168.82/13,711.14
  6. Step 6: Final answer
    x = 5,777.29

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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.