Home / 13,929.26-20,896.97-6,913.10

Finding the Fourth Proportional to 13,929.26, 20,896.97 and 6,913.10

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Solution

The fourth proportional to 13,929.26, 20,896.97 and 6,913.10 is: 10,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.26 : 20,896.97 = 6,913.10 : x
  2. Step 2: Convert to fraction form
    13,929.26/20,896.97 = 6,913.10/x
  3. Step 3: Cross multiply
    13,929.26x = 20,896.97 × 6,913.10
  4. Step 4: Simplify right side
    13,929.26x = 144,462,843.31
  5. Step 5: Solve for x
    x = 144,462,843.31/13,929.26
  6. Step 6: Final answer
    x = 10,371.18

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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.