Home / 20,371.26-30,486.42-14,089.10

Finding the Fourth Proportional to 20,371.26, 30,486.42 and 14,089.10

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Solution

The fourth proportional to 20,371.26, 30,486.42 and 14,089.10 is: 21,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.26 : 30,486.42 = 14,089.10 : x
  2. Step 2: Convert to fraction form
    20,371.26/30,486.42 = 14,089.10/x
  3. Step 3: Cross multiply
    20,371.26x = 30,486.42 × 14,089.10
  4. Step 4: Simplify right side
    20,371.26x = 429,526,220.02
  5. Step 5: Solve for x
    x = 429,526,220.02/20,371.26
  6. Step 6: Final answer
    x = 21,084.91

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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.