Home / 18,528.18-27,801.99-8,665.62

Finding the Fourth Proportional to 18,528.18, 27,801.99 and 8,665.62

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Solution

The fourth proportional to 18,528.18, 27,801.99 and 8,665.62 is: 13,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.18 : 27,801.99 = 8,665.62 : x
  2. Step 2: Convert to fraction form
    18,528.18/27,801.99 = 8,665.62/x
  3. Step 3: Cross multiply
    18,528.18x = 27,801.99 × 8,665.62
  4. Step 4: Simplify right side
    18,528.18x = 240,921,480.58
  5. Step 5: Solve for x
    x = 240,921,480.58/18,528.18
  6. Step 6: Final answer
    x = 13,002.98

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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.