Home / 20,918.26-31,377.41-14,706.06

Finding the Fourth Proportional to 20,918.26, 31,377.41 and 14,706.06

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Solution

The fourth proportional to 20,918.26, 31,377.41 and 14,706.06 is: 22,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918.26 : 31,377.41 = 14,706.06 : x
  2. Step 2: Convert to fraction form
    20,918.26/31,377.41 = 14,706.06/x
  3. Step 3: Cross multiply
    20,918.26x = 31,377.41 × 14,706.06
  4. Step 4: Simplify right side
    20,918.26x = 461,438,074.10
  5. Step 5: Solve for x
    x = 461,438,074.10/20,918.26
  6. Step 6: Final answer
    x = 22,059.10

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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.