Home / 18,086.02-27,135.68-7,557.10

Finding the Fourth Proportional to 18,086.02, 27,135.68 and 7,557.10

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Solution

The fourth proportional to 18,086.02, 27,135.68 and 7,557.10 is: 11,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.02 : 27,135.68 = 7,557.10 : x
  2. Step 2: Convert to fraction form
    18,086.02/27,135.68 = 7,557.10/x
  3. Step 3: Cross multiply
    18,086.02x = 27,135.68 × 7,557.10
  4. Step 4: Simplify right side
    18,086.02x = 205,066,941.70
  5. Step 5: Solve for x
    x = 205,066,941.70/18,086.02
  6. Step 6: Final answer
    x = 11,338.42

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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.