Home / 12,323.68-18,471.17-4,930.26

Finding the Fourth Proportional to 12,323.68, 18,471.17 and 4,930.26

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Solution

The fourth proportional to 12,323.68, 18,471.17 and 4,930.26 is: 7,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.68 : 18,471.17 = 4,930.26 : x
  2. Step 2: Convert to fraction form
    12,323.68/18,471.17 = 4,930.26/x
  3. Step 3: Cross multiply
    12,323.68x = 18,471.17 × 4,930.26
  4. Step 4: Simplify right side
    12,323.68x = 91,067,670.60
  5. Step 5: Solve for x
    x = 91,067,670.60/12,323.68
  6. Step 6: Final answer
    x = 7,389.65

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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.