Home / 14,158.48-21,237.72-3,771.28

Finding the Fourth Proportional to 14,158.48, 21,237.72 and 3,771.28

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Solution

The fourth proportional to 14,158.48, 21,237.72 and 3,771.28 is: 5,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.48 : 21,237.72 = 3,771.28 : x
  2. Step 2: Convert to fraction form
    14,158.48/21,237.72 = 3,771.28/x
  3. Step 3: Cross multiply
    14,158.48x = 21,237.72 × 3,771.28
  4. Step 4: Simplify right side
    14,158.48x = 80,093,388.68
  5. Step 5: Solve for x
    x = 80,093,388.68/14,158.48
  6. Step 6: Final answer
    x = 5,656.92

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Similar ratio
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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.