Home / 13,206.52-19,788.18-7,996.60

Finding the Fourth Proportional to 13,206.52, 19,788.18 and 7,996.60

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Solution

The fourth proportional to 13,206.52, 19,788.18 and 7,996.60 is: 11,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.52 : 19,788.18 = 7,996.60 : x
  2. Step 2: Convert to fraction form
    13,206.52/19,788.18 = 7,996.60/x
  3. Step 3: Cross multiply
    13,206.52x = 19,788.18 × 7,996.60
  4. Step 4: Simplify right side
    13,206.52x = 158,238,160.19
  5. Step 5: Solve for x
    x = 158,238,160.19/13,206.52
  6. Step 6: Final answer
    x = 11,981.82

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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.