Home / 18,412.38-25,409.25-10,454.77

Finding the Fourth Proportional to 18,412.38, 25,409.25 and 10,454.77

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Solution

The fourth proportional to 18,412.38, 25,409.25 and 10,454.77 is: 14,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.38 : 25,409.25 = 10,454.77 : x
  2. Step 2: Convert to fraction form
    18,412.38/25,409.25 = 10,454.77/x
  3. Step 3: Cross multiply
    18,412.38x = 25,409.25 × 10,454.77
  4. Step 4: Simplify right side
    18,412.38x = 265,647,864.62
  5. Step 5: Solve for x
    x = 265,647,864.62/18,412.38
  6. Step 6: Final answer
    x = 14,427.68

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Half scale
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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.