Home / 14,126.46-21,189.68-10,255.47

Finding the Fourth Proportional to 14,126.46, 21,189.68 and 10,255.47

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Solution

The fourth proportional to 14,126.46, 21,189.68 and 10,255.47 is: 15,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.46 : 21,189.68 = 10,255.47 : x
  2. Step 2: Convert to fraction form
    14,126.46/21,189.68 = 10,255.47/x
  3. Step 3: Cross multiply
    14,126.46x = 21,189.68 × 10,255.47
  4. Step 4: Simplify right side
    14,126.46x = 217,310,127.55
  5. Step 5: Solve for x
    x = 217,310,127.55/14,126.46
  6. Step 6: Final answer
    x = 15,383.20

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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.