Home / 13,253.62-19,881.12-3,392.96

Finding the Fourth Proportional to 13,253.62, 19,881.12 and 3,392.96

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Solution

The fourth proportional to 13,253.62, 19,881.12 and 3,392.96 is: 5,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.62 : 19,881.12 = 3,392.96 : x
  2. Step 2: Convert to fraction form
    13,253.62/19,881.12 = 3,392.96/x
  3. Step 3: Cross multiply
    13,253.62x = 19,881.12 × 3,392.96
  4. Step 4: Simplify right side
    13,253.62x = 67,455,844.92
  5. Step 5: Solve for x
    x = 67,455,844.92/13,253.62
  6. Step 6: Final answer
    x = 5,089.62

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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.