Home / 13,238.91-19,860.93-4,475.25

Finding the Fourth Proportional to 13,238.91, 19,860.93 and 4,475.25

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Solution

The fourth proportional to 13,238.91, 19,860.93 and 4,475.25 is: 6,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.91 : 19,860.93 = 4,475.25 : x
  2. Step 2: Convert to fraction form
    13,238.91/19,860.93 = 4,475.25/x
  3. Step 3: Cross multiply
    13,238.91x = 19,860.93 × 4,475.25
  4. Step 4: Simplify right side
    13,238.91x = 88,882,626.98
  5. Step 5: Solve for x
    x = 88,882,626.98/13,238.91
  6. Step 6: Final answer
    x = 6,713.74

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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.