Home / 13,371.03-20,066.64-9,144.18

Finding the Fourth Proportional to 13,371.03, 20,066.64 and 9,144.18

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Solution

The fourth proportional to 13,371.03, 20,066.64 and 9,144.18 is: 13,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.03 : 20,066.64 = 9,144.18 : x
  2. Step 2: Convert to fraction form
    13,371.03/20,066.64 = 9,144.18/x
  3. Step 3: Cross multiply
    13,371.03x = 20,066.64 × 9,144.18
  4. Step 4: Simplify right side
    13,371.03x = 183,493,002.49
  5. Step 5: Solve for x
    x = 183,493,002.49/13,371.03
  6. Step 6: Final answer
    x = 13,723.18

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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.