Home / 14,121.89-21,182.99-4,261.26

Finding the Fourth Proportional to 14,121.89, 21,182.99 and 4,261.26

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Solution

The fourth proportional to 14,121.89, 21,182.99 and 4,261.26 is: 6,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.89 : 21,182.99 = 4,261.26 : x
  2. Step 2: Convert to fraction form
    14,121.89/21,182.99 = 4,261.26/x
  3. Step 3: Cross multiply
    14,121.89x = 21,182.99 × 4,261.26
  4. Step 4: Simplify right side
    14,121.89x = 90,266,100.75
  5. Step 5: Solve for x
    x = 90,266,100.75/14,121.89
  6. Step 6: Final answer
    x = 6,391.93

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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.