Home / 13,141.20-19,713.06-4,376.73

Finding the Fourth Proportional to 13,141.20, 19,713.06 and 4,376.73

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Solution

The fourth proportional to 13,141.20, 19,713.06 and 4,376.73 is: 6,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.20 : 19,713.06 = 4,376.73 : x
  2. Step 2: Convert to fraction form
    13,141.20/19,713.06 = 4,376.73/x
  3. Step 3: Cross multiply
    13,141.20x = 19,713.06 × 4,376.73
  4. Step 4: Simplify right side
    13,141.20x = 86,278,741.09
  5. Step 5: Solve for x
    x = 86,278,741.09/13,141.20
  6. Step 6: Final answer
    x = 6,565.51

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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.