Home / 13,883.69-20,833.68-5,124.71

Finding the Fourth Proportional to 13,883.69, 20,833.68 and 5,124.71

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Solution

The fourth proportional to 13,883.69, 20,833.68 and 5,124.71 is: 7,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.69 : 20,833.68 = 5,124.71 : x
  2. Step 2: Convert to fraction form
    13,883.69/20,833.68 = 5,124.71/x
  3. Step 3: Cross multiply
    13,883.69x = 20,833.68 × 5,124.71
  4. Step 4: Simplify right side
    13,883.69x = 106,766,568.23
  5. Step 5: Solve for x
    x = 106,766,568.23/13,883.69
  6. Step 6: Final answer
    x = 7,690.07

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1.5x scale

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.