Home / 13,087.76-19,631.54-5,296.46

Finding the Fourth Proportional to 13,087.76, 19,631.54 and 5,296.46

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Solution

The fourth proportional to 13,087.76, 19,631.54 and 5,296.46 is: 7,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.76 : 19,631.54 = 5,296.46 : x
  2. Step 2: Convert to fraction form
    13,087.76/19,631.54 = 5,296.46/x
  3. Step 3: Cross multiply
    13,087.76x = 19,631.54 × 5,296.46
  4. Step 4: Simplify right side
    13,087.76x = 103,977,581.43
  5. Step 5: Solve for x
    x = 103,977,581.43/13,087.76
  6. Step 6: Final answer
    x = 7,944.65

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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.