Home / 12,103.08-18,154.14-3,338.92

Finding the Fourth Proportional to 12,103.08, 18,154.14 and 3,338.92

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Solution

The fourth proportional to 12,103.08, 18,154.14 and 3,338.92 is: 5,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.08 : 18,154.14 = 3,338.92 : x
  2. Step 2: Convert to fraction form
    12,103.08/18,154.14 = 3,338.92/x
  3. Step 3: Cross multiply
    12,103.08x = 18,154.14 × 3,338.92
  4. Step 4: Simplify right side
    12,103.08x = 60,615,221.13
  5. Step 5: Solve for x
    x = 60,615,221.13/12,103.08
  6. Step 6: Final answer
    x = 5,008.25

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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.