Home / 18,361.28-25,338.48-10,404.92

Finding the Fourth Proportional to 18,361.28, 25,338.48 and 10,404.92

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Solution

The fourth proportional to 18,361.28, 25,338.48 and 10,404.92 is: 14,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.28 : 25,338.48 = 10,404.92 : x
  2. Step 2: Convert to fraction form
    18,361.28/25,338.48 = 10,404.92/x
  3. Step 3: Cross multiply
    18,361.28x = 25,338.48 × 10,404.92
  4. Step 4: Simplify right side
    18,361.28x = 263,644,857.32
  5. Step 5: Solve for x
    x = 263,644,857.32/18,361.28
  6. Step 6: Final answer
    x = 14,358.74

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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.