Home / 13,711.34-20,564.39-6,684.29

Finding the Fourth Proportional to 13,711.34, 20,564.39 and 6,684.29

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Solution

The fourth proportional to 13,711.34, 20,564.39 and 6,684.29 is: 10,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.34 : 20,564.39 = 6,684.29 : x
  2. Step 2: Convert to fraction form
    13,711.34/20,564.39 = 6,684.29/x
  3. Step 3: Cross multiply
    13,711.34x = 20,564.39 × 6,684.29
  4. Step 4: Simplify right side
    13,711.34x = 137,458,243.61
  5. Step 5: Solve for x
    x = 137,458,243.61/13,711.34
  6. Step 6: Final answer
    x = 10,025.15

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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.