Home / 18,142.67-27,214.01-4,995.15

Finding the Fourth Proportional to 18,142.67, 27,214.01 and 4,995.15

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Solution

The fourth proportional to 18,142.67, 27,214.01 and 4,995.15 is: 7,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.67 : 27,214.01 = 4,995.15 : x
  2. Step 2: Convert to fraction form
    18,142.67/27,214.01 = 4,995.15/x
  3. Step 3: Cross multiply
    18,142.67x = 27,214.01 × 4,995.15
  4. Step 4: Simplify right side
    18,142.67x = 135,938,037.08
  5. Step 5: Solve for x
    x = 135,938,037.08/18,142.67
  6. Step 6: Final answer
    x = 7,492.73

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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.