Home / 12,424.16-18,636.92-4,104.28

Finding the Fourth Proportional to 12,424.16, 18,636.92 and 4,104.28

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Solution

The fourth proportional to 12,424.16, 18,636.92 and 4,104.28 is: 6,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.16 : 18,636.92 = 4,104.28 : x
  2. Step 2: Convert to fraction form
    12,424.16/18,636.92 = 4,104.28/x
  3. Step 3: Cross multiply
    12,424.16x = 18,636.92 × 4,104.28
  4. Step 4: Simplify right side
    12,424.16x = 76,491,138.02
  5. Step 5: Solve for x
    x = 76,491,138.02/12,424.16
  6. Step 6: Final answer
    x = 6,156.64

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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.