Home / 12,422.66-18,637.10-4,103.15

Finding the Fourth Proportional to 12,422.66, 18,637.10 and 4,103.15

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Solution

The fourth proportional to 12,422.66, 18,637.10 and 4,103.15 is: 6,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.66 : 18,637.10 = 4,103.15 : x
  2. Step 2: Convert to fraction form
    12,422.66/18,637.10 = 4,103.15/x
  3. Step 3: Cross multiply
    12,422.66x = 18,637.10 × 4,103.15
  4. Step 4: Simplify right side
    12,422.66x = 76,470,796.35
  5. Step 5: Solve for x
    x = 76,470,796.35/12,422.66
  6. Step 6: Final answer
    x = 6,155.75

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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.