Home / 12,287.27-18,430.92-3,053.27

Finding the Fourth Proportional to 12,287.27, 18,430.92 and 3,053.27

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Solution

The fourth proportional to 12,287.27, 18,430.92 and 3,053.27 is: 4,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.27 : 18,430.92 = 3,053.27 : x
  2. Step 2: Convert to fraction form
    12,287.27/18,430.92 = 3,053.27/x
  3. Step 3: Cross multiply
    12,287.27x = 18,430.92 × 3,053.27
  4. Step 4: Simplify right side
    12,287.27x = 56,274,632.64
  5. Step 5: Solve for x
    x = 56,274,632.64/12,287.27
  6. Step 6: Final answer
    x = 4,579.91

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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.