Home / 12,646.11-18,974.94-5,252.23

Finding the Fourth Proportional to 12,646.11, 18,974.94 and 5,252.23

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Solution

The fourth proportional to 12,646.11, 18,974.94 and 5,252.23 is: 7,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.11 : 18,974.94 = 5,252.23 : x
  2. Step 2: Convert to fraction form
    12,646.11/18,974.94 = 5,252.23/x
  3. Step 3: Cross multiply
    12,646.11x = 18,974.94 × 5,252.23
  4. Step 4: Simplify right side
    12,646.11x = 99,660,749.12
  5. Step 5: Solve for x
    x = 99,660,749.12/12,646.11
  6. Step 6: Final answer
    x = 7,880.74

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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.