Home / 14,149.77-21,224.70-4,289.10

Finding the Fourth Proportional to 14,149.77, 21,224.70 and 4,289.10

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Solution

The fourth proportional to 14,149.77, 21,224.70 and 4,289.10 is: 6,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.77 : 21,224.70 = 4,289.10 : x
  2. Step 2: Convert to fraction form
    14,149.77/21,224.70 = 4,289.10/x
  3. Step 3: Cross multiply
    14,149.77x = 21,224.70 × 4,289.10
  4. Step 4: Simplify right side
    14,149.77x = 91,034,860.77
  5. Step 5: Solve for x
    x = 91,034,860.77/14,149.77
  6. Step 6: Final answer
    x = 6,433.66

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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.