Home / 13,614.06-20,407.41-8,689.26

Finding the Fourth Proportional to 13,614.06, 20,407.41 and 8,689.26

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Solution

The fourth proportional to 13,614.06, 20,407.41 and 8,689.26 is: 13,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.06 : 20,407.41 = 8,689.26 : x
  2. Step 2: Convert to fraction form
    13,614.06/20,407.41 = 8,689.26/x
  3. Step 3: Cross multiply
    13,614.06x = 20,407.41 × 8,689.26
  4. Step 4: Simplify right side
    13,614.06x = 177,325,291.42
  5. Step 5: Solve for x
    x = 177,325,291.42/13,614.06
  6. Step 6: Final answer
    x = 13,025.16

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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.