Home / 13,869.70-20,801.41-4,006.80

Finding the Fourth Proportional to 13,869.70, 20,801.41 and 4,006.80

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Solution

The fourth proportional to 13,869.70, 20,801.41 and 4,006.80 is: 6,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.70 : 20,801.41 = 4,006.80 : x
  2. Step 2: Convert to fraction form
    13,869.70/20,801.41 = 4,006.80/x
  3. Step 3: Cross multiply
    13,869.70x = 20,801.41 × 4,006.80
  4. Step 4: Simplify right side
    13,869.70x = 83,347,079.57
  5. Step 5: Solve for x
    x = 83,347,079.57/13,869.70
  6. Step 6: Final answer
    x = 6,009.29

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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.