Home / 18,498.28-27,698.20-14,455.36

Finding the Fourth Proportional to 18,498.28, 27,698.20 and 14,455.36

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Solution

The fourth proportional to 18,498.28, 27,698.20 and 14,455.36 is: 21,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.28 : 27,698.20 = 14,455.36 : x
  2. Step 2: Convert to fraction form
    18,498.28/27,698.20 = 14,455.36/x
  3. Step 3: Cross multiply
    18,498.28x = 27,698.20 × 14,455.36
  4. Step 4: Simplify right side
    18,498.28x = 400,387,452.35
  5. Step 5: Solve for x
    x = 400,387,452.35/18,498.28
  6. Step 6: Final answer
    x = 21,644.58

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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.