Home / 12,163.29-18,246.02-4,374.33

Finding the Fourth Proportional to 12,163.29, 18,246.02 and 4,374.33

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Solution

The fourth proportional to 12,163.29, 18,246.02 and 4,374.33 is: 6,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.29 : 18,246.02 = 4,374.33 : x
  2. Step 2: Convert to fraction form
    12,163.29/18,246.02 = 4,374.33/x
  3. Step 3: Cross multiply
    12,163.29x = 18,246.02 × 4,374.33
  4. Step 4: Simplify right side
    12,163.29x = 79,814,090.79
  5. Step 5: Solve for x
    x = 79,814,090.79/12,163.29
  6. Step 6: Final answer
    x = 6,561.88

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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.