Home / 18,267.91-27,410.57-12,654.23

Finding the Fourth Proportional to 18,267.91, 27,410.57 and 12,654.23

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Solution

The fourth proportional to 18,267.91, 27,410.57 and 12,654.23 is: 18,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.91 : 27,410.57 = 12,654.23 : x
  2. Step 2: Convert to fraction form
    18,267.91/27,410.57 = 12,654.23/x
  3. Step 3: Cross multiply
    18,267.91x = 27,410.57 × 12,654.23
  4. Step 4: Simplify right side
    18,267.91x = 346,859,491.15
  5. Step 5: Solve for x
    x = 346,859,491.15/18,267.91
  6. Step 6: Final answer
    x = 18,987.37

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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.