Home / 18,107.02-27,160.53-7,571.28

Finding the Fourth Proportional to 18,107.02, 27,160.53 and 7,571.28

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Solution

The fourth proportional to 18,107.02, 27,160.53 and 7,571.28 is: 11,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.02 : 27,160.53 = 7,571.28 : x
  2. Step 2: Convert to fraction form
    18,107.02/27,160.53 = 7,571.28/x
  3. Step 3: Cross multiply
    18,107.02x = 27,160.53 × 7,571.28
  4. Step 4: Simplify right side
    18,107.02x = 205,639,977.58
  5. Step 5: Solve for x
    x = 205,639,977.58/18,107.02
  6. Step 6: Final answer
    x = 11,356.92

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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.