Home / 13,177.69-19,769.27-5,386.50

Finding the Fourth Proportional to 13,177.69, 19,769.27 and 5,386.50

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Solution

The fourth proportional to 13,177.69, 19,769.27 and 5,386.50 is: 8,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.69 : 19,769.27 = 5,386.50 : x
  2. Step 2: Convert to fraction form
    13,177.69/19,769.27 = 5,386.50/x
  3. Step 3: Cross multiply
    13,177.69x = 19,769.27 × 5,386.50
  4. Step 4: Simplify right side
    13,177.69x = 106,487,145.92
  5. Step 5: Solve for x
    x = 106,487,145.92/13,177.69
  6. Step 6: Final answer
    x = 8,080.87

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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.