Home / 13,238.60-19,860.06-4,474.04

Finding the Fourth Proportional to 13,238.60, 19,860.06 and 4,474.04

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Solution

The fourth proportional to 13,238.60, 19,860.06 and 4,474.04 is: 6,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.60 : 19,860.06 = 4,474.04 : x
  2. Step 2: Convert to fraction form
    13,238.60/19,860.06 = 4,474.04/x
  3. Step 3: Cross multiply
    13,238.60x = 19,860.06 × 4,474.04
  4. Step 4: Simplify right side
    13,238.60x = 88,854,702.84
  5. Step 5: Solve for x
    x = 88,854,702.84/13,238.60
  6. Step 6: Final answer
    x = 6,711.79

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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.