Home / 12,422.51-18,634.35-4,103.27

Finding the Fourth Proportional to 12,422.51, 18,634.35 and 4,103.27

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Solution

The fourth proportional to 12,422.51, 18,634.35 and 4,103.27 is: 6,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.51 : 18,634.35 = 4,103.27 : x
  2. Step 2: Convert to fraction form
    12,422.51/18,634.35 = 4,103.27/x
  3. Step 3: Cross multiply
    12,422.51x = 18,634.35 × 4,103.27
  4. Step 4: Simplify right side
    12,422.51x = 76,461,769.32
  5. Step 5: Solve for x
    x = 76,461,769.32/12,422.51
  6. Step 6: Final answer
    x = 6,155.10

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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.