Home / 13,606.57-20,416.13-6,213.29

Finding the Fourth Proportional to 13,606.57, 20,416.13 and 6,213.29

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Solution

The fourth proportional to 13,606.57, 20,416.13 and 6,213.29 is: 9,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.57 : 20,416.13 = 6,213.29 : x
  2. Step 2: Convert to fraction form
    13,606.57/20,416.13 = 6,213.29/x
  3. Step 3: Cross multiply
    13,606.57x = 20,416.13 × 6,213.29
  4. Step 4: Simplify right side
    13,606.57x = 126,851,305.30
  5. Step 5: Solve for x
    x = 126,851,305.30/13,606.57
  6. Step 6: Final answer
    x = 9,322.80

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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.