Home / 18,216.60-27,321.75-5,069.04

Finding the Fourth Proportional to 18,216.60, 27,321.75 and 5,069.04

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Solution

The fourth proportional to 18,216.60, 27,321.75 and 5,069.04 is: 7,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.60 : 27,321.75 = 5,069.04 : x
  2. Step 2: Convert to fraction form
    18,216.60/27,321.75 = 5,069.04/x
  3. Step 3: Cross multiply
    18,216.60x = 27,321.75 × 5,069.04
  4. Step 4: Simplify right side
    18,216.60x = 138,495,043.62
  5. Step 5: Solve for x
    x = 138,495,043.62/18,216.60
  6. Step 6: Final answer
    x = 7,602.68

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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.