Home / 13,329.71-20,006.76-6,760.43

Finding the Fourth Proportional to 13,329.71, 20,006.76 and 6,760.43

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Solution

The fourth proportional to 13,329.71, 20,006.76 and 6,760.43 is: 10,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.71 : 20,006.76 = 6,760.43 : x
  2. Step 2: Convert to fraction form
    13,329.71/20,006.76 = 6,760.43/x
  3. Step 3: Cross multiply
    13,329.71x = 20,006.76 × 6,760.43
  4. Step 4: Simplify right side
    13,329.71x = 135,254,300.51
  5. Step 5: Solve for x
    x = 135,254,300.51/13,329.71
  6. Step 6: Final answer
    x = 10,146.83

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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.