Home / 13,513.02-20,242.35-6,738.15

Finding the Fourth Proportional to 13,513.02, 20,242.35 and 6,738.15

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Solution

The fourth proportional to 13,513.02, 20,242.35 and 6,738.15 is: 10,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.02 : 20,242.35 = 6,738.15 : x
  2. Step 2: Convert to fraction form
    13,513.02/20,242.35 = 6,738.15/x
  3. Step 3: Cross multiply
    13,513.02x = 20,242.35 × 6,738.15
  4. Step 4: Simplify right side
    13,513.02x = 136,396,066.56
  5. Step 5: Solve for x
    x = 136,396,066.56/13,513.02
  6. Step 6: Final answer
    x = 10,093.68

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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.