Home / 13,286.45-19,937.30-6,713.16

Finding the Fourth Proportional to 13,286.45, 19,937.30 and 6,713.16

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Solution

The fourth proportional to 13,286.45, 19,937.30 and 6,713.16 is: 10,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.45 : 19,937.30 = 6,713.16 : x
  2. Step 2: Convert to fraction form
    13,286.45/19,937.30 = 6,713.16/x
  3. Step 3: Cross multiply
    13,286.45x = 19,937.30 × 6,713.16
  4. Step 4: Simplify right side
    13,286.45x = 133,842,251.30
  5. Step 5: Solve for x
    x = 133,842,251.30/13,286.45
  6. Step 6: Final answer
    x = 10,073.59

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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.