Home / 14,144.51-21,220.73-4,149.49

Finding the Fourth Proportional to 14,144.51, 21,220.73 and 4,149.49

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Solution

The fourth proportional to 14,144.51, 21,220.73 and 4,149.49 is: 6,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.51 : 21,220.73 = 4,149.49 : x
  2. Step 2: Convert to fraction form
    14,144.51/21,220.73 = 4,149.49/x
  3. Step 3: Cross multiply
    14,144.51x = 21,220.73 × 4,149.49
  4. Step 4: Simplify right side
    14,144.51x = 88,055,181.55
  5. Step 5: Solve for x
    x = 88,055,181.55/14,144.51
  6. Step 6: Final answer
    x = 6,225.40

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Double scale
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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.