Home / 18,646.20-27,987.39-8,792.28

Finding the Fourth Proportional to 18,646.20, 27,987.39 and 8,792.28

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Solution

The fourth proportional to 18,646.20, 27,987.39 and 8,792.28 is: 13,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.20 : 27,987.39 = 8,792.28 : x
  2. Step 2: Convert to fraction form
    18,646.20/27,987.39 = 8,792.28/x
  3. Step 3: Cross multiply
    18,646.20x = 27,987.39 × 8,792.28
  4. Step 4: Simplify right side
    18,646.20x = 246,072,969.35
  5. Step 5: Solve for x
    x = 246,072,969.35/18,646.20
  6. Step 6: Final answer
    x = 13,196.95

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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.