Home / 14,630.40-21,945.60-11,131.20

Finding the Fourth Proportional to 14,630.40, 21,945.60 and 11,131.20

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Solution

The fourth proportional to 14,630.40, 21,945.60 and 11,131.20 is: 16,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.40 : 21,945.60 = 11,131.20 : x
  2. Step 2: Convert to fraction form
    14,630.40/21,945.60 = 11,131.20/x
  3. Step 3: Cross multiply
    14,630.40x = 21,945.60 × 11,131.20
  4. Step 4: Simplify right side
    14,630.40x = 244,280,862.72
  5. Step 5: Solve for x
    x = 244,280,862.72/14,630.40
  6. Step 6: Final answer
    x = 16,696.80

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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.