Home / 18,059.40-27,089.87-5,579.15

Finding the Fourth Proportional to 18,059.40, 27,089.87 and 5,579.15

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Solution

The fourth proportional to 18,059.40, 27,089.87 and 5,579.15 is: 8,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.40 : 27,089.87 = 5,579.15 : x
  2. Step 2: Convert to fraction form
    18,059.40/27,089.87 = 5,579.15/x
  3. Step 3: Cross multiply
    18,059.40x = 27,089.87 × 5,579.15
  4. Step 4: Simplify right side
    18,059.40x = 151,138,284.87
  5. Step 5: Solve for x
    x = 151,138,284.87/18,059.40
  6. Step 6: Final answer
    x = 8,368.95

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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.