Home / 12,183.13-18,274.69-4,291.47

Finding the Fourth Proportional to 12,183.13, 18,274.69 and 4,291.47

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Solution

The fourth proportional to 12,183.13, 18,274.69 and 4,291.47 is: 6,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.13 : 18,274.69 = 4,291.47 : x
  2. Step 2: Convert to fraction form
    12,183.13/18,274.69 = 4,291.47/x
  3. Step 3: Cross multiply
    12,183.13x = 18,274.69 × 4,291.47
  4. Step 4: Simplify right side
    12,183.13x = 78,425,192.52
  5. Step 5: Solve for x
    x = 78,425,192.52/12,183.13
  6. Step 6: Final answer
    x = 6,437.20

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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.