Home / 18,214.57-27,315.22-6,365.02

Finding the Fourth Proportional to 18,214.57, 27,315.22 and 6,365.02

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Solution

The fourth proportional to 18,214.57, 27,315.22 and 6,365.02 is: 9,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.57 : 27,315.22 = 6,365.02 : x
  2. Step 2: Convert to fraction form
    18,214.57/27,315.22 = 6,365.02/x
  3. Step 3: Cross multiply
    18,214.57x = 27,315.22 × 6,365.02
  4. Step 4: Simplify right side
    18,214.57x = 173,861,921.60
  5. Step 5: Solve for x
    x = 173,861,921.60/18,214.57
  6. Step 6: Final answer
    x = 9,545.21

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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.