Home / 10,535.54-15,811.47-3,967.70

Finding the Fourth Proportional to 10,535.54, 15,811.47 and 3,967.70

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Solution

The fourth proportional to 10,535.54, 15,811.47 and 3,967.70 is: 5,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.54 : 15,811.47 = 3,967.70 : x
  2. Step 2: Convert to fraction form
    10,535.54/15,811.47 = 3,967.70/x
  3. Step 3: Cross multiply
    10,535.54x = 15,811.47 × 3,967.70
  4. Step 4: Simplify right side
    10,535.54x = 62,735,169.52
  5. Step 5: Solve for x
    x = 62,735,169.52/10,535.54
  6. Step 6: Final answer
    x = 5,954.62

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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.