Home / 18,342.26-27,518.06-8,488.62

Finding the Fourth Proportional to 18,342.26, 27,518.06 and 8,488.62

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Solution

The fourth proportional to 18,342.26, 27,518.06 and 8,488.62 is: 12,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.26 : 27,518.06 = 8,488.62 : x
  2. Step 2: Convert to fraction form
    18,342.26/27,518.06 = 8,488.62/x
  3. Step 3: Cross multiply
    18,342.26x = 27,518.06 × 8,488.62
  4. Step 4: Simplify right side
    18,342.26x = 233,590,354.48
  5. Step 5: Solve for x
    x = 233,590,354.48/18,342.26
  6. Step 6: Final answer
    x = 12,735.09

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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.