Home / 18,448.14-25,468.92-12,178.74

Finding the Fourth Proportional to 18,448.14, 25,468.92 and 12,178.74

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Solution

The fourth proportional to 18,448.14, 25,468.92 and 12,178.74 is: 16,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.14 : 25,468.92 = 12,178.74 : x
  2. Step 2: Convert to fraction form
    18,448.14/25,468.92 = 12,178.74/x
  3. Step 3: Cross multiply
    18,448.14x = 25,468.92 × 12,178.74
  4. Step 4: Simplify right side
    18,448.14x = 310,179,354.76
  5. Step 5: Solve for x
    x = 310,179,354.76/18,448.14
  6. Step 6: Final answer
    x = 16,813.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.