Home / 13,516.29-20,268.90-4,154.04

Finding the Fourth Proportional to 13,516.29, 20,268.90 and 4,154.04

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Solution

The fourth proportional to 13,516.29, 20,268.90 and 4,154.04 is: 6,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.29 : 20,268.90 = 4,154.04 : x
  2. Step 2: Convert to fraction form
    13,516.29/20,268.90 = 4,154.04/x
  3. Step 3: Cross multiply
    13,516.29x = 20,268.90 × 4,154.04
  4. Step 4: Simplify right side
    13,516.29x = 84,197,821.36
  5. Step 5: Solve for x
    x = 84,197,821.36/13,516.29
  6. Step 6: Final answer
    x = 6,229.36

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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.