Home / 14,084.10-21,131.55-13,862.70

Finding the Fourth Proportional to 14,084.10, 21,131.55 and 13,862.70

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Solution

The fourth proportional to 14,084.10, 21,131.55 and 13,862.70 is: 20,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.10 : 21,131.55 = 13,862.70 : x
  2. Step 2: Convert to fraction form
    14,084.10/21,131.55 = 13,862.70/x
  3. Step 3: Cross multiply
    14,084.10x = 21,131.55 × 13,862.70
  4. Step 4: Simplify right side
    14,084.10x = 292,940,338.19
  5. Step 5: Solve for x
    x = 292,940,338.19/14,084.10
  6. Step 6: Final answer
    x = 20,799.37

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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.