Home / 13,914.23-20,874.78-4,053.59

Finding the Fourth Proportional to 13,914.23, 20,874.78 and 4,053.59

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Solution

The fourth proportional to 13,914.23, 20,874.78 and 4,053.59 is: 6,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.23 : 20,874.78 = 4,053.59 : x
  2. Step 2: Convert to fraction form
    13,914.23/20,874.78 = 4,053.59/x
  3. Step 3: Cross multiply
    13,914.23x = 20,874.78 × 4,053.59
  4. Step 4: Simplify right side
    13,914.23x = 84,617,799.46
  5. Step 5: Solve for x
    x = 84,617,799.46/13,914.23
  6. Step 6: Final answer
    x = 6,081.39

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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.