Home / 18,082.02-27,126.68-6,403.44

Finding the Fourth Proportional to 18,082.02, 27,126.68 and 6,403.44

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Solution

The fourth proportional to 18,082.02, 27,126.68 and 6,403.44 is: 9,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.02 : 27,126.68 = 6,403.44 : x
  2. Step 2: Convert to fraction form
    18,082.02/27,126.68 = 6,403.44/x
  3. Step 3: Cross multiply
    18,082.02x = 27,126.68 × 6,403.44
  4. Step 4: Simplify right side
    18,082.02x = 173,704,035.76
  5. Step 5: Solve for x
    x = 173,704,035.76/18,082.02
  6. Step 6: Final answer
    x = 9,606.45

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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.