Home / 14,014.14-21,021.21-4,153.56

Finding the Fourth Proportional to 14,014.14, 21,021.21 and 4,153.56

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Solution

The fourth proportional to 14,014.14, 21,021.21 and 4,153.56 is: 6,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.14 : 21,021.21 = 4,153.56 : x
  2. Step 2: Convert to fraction form
    14,014.14/21,021.21 = 4,153.56/x
  3. Step 3: Cross multiply
    14,014.14x = 21,021.21 × 4,153.56
  4. Step 4: Simplify right side
    14,014.14x = 87,312,857.01
  5. Step 5: Solve for x
    x = 87,312,857.01/14,014.14
  6. Step 6: Final answer
    x = 6,230.34

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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.