Home / 13,318.46-19,996.15-6,749.26

Finding the Fourth Proportional to 13,318.46, 19,996.15 and 6,749.26

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Solution

The fourth proportional to 13,318.46, 19,996.15 and 6,749.26 is: 10,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.46 : 19,996.15 = 6,749.26 : x
  2. Step 2: Convert to fraction form
    13,318.46/19,996.15 = 6,749.26/x
  3. Step 3: Cross multiply
    13,318.46x = 19,996.15 × 6,749.26
  4. Step 4: Simplify right side
    13,318.46x = 134,959,215.35
  5. Step 5: Solve for x
    x = 134,959,215.35/13,318.46
  6. Step 6: Final answer
    x = 10,133.24

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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.