Home / 13,238.88-19,857.72-4,473.87

Finding the Fourth Proportional to 13,238.88, 19,857.72 and 4,473.87

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Solution

The fourth proportional to 13,238.88, 19,857.72 and 4,473.87 is: 6,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.88 : 19,857.72 = 4,473.87 : x
  2. Step 2: Convert to fraction form
    13,238.88/19,857.72 = 4,473.87/x
  3. Step 3: Cross multiply
    13,238.88x = 19,857.72 × 4,473.87
  4. Step 4: Simplify right side
    13,238.88x = 88,840,874.04
  5. Step 5: Solve for x
    x = 88,840,874.04/13,238.88
  6. Step 6: Final answer
    x = 6,710.60

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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.