Home / 18,178.02-27,277.43-8,317.22

Finding the Fourth Proportional to 18,178.02, 27,277.43 and 8,317.22

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Solution

The fourth proportional to 18,178.02, 27,277.43 and 8,317.22 is: 12,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.02 : 27,277.43 = 8,317.22 : x
  2. Step 2: Convert to fraction form
    18,178.02/27,277.43 = 8,317.22/x
  3. Step 3: Cross multiply
    18,178.02x = 27,277.43 × 8,317.22
  4. Step 4: Simplify right side
    18,178.02x = 226,872,208.37
  5. Step 5: Solve for x
    x = 226,872,208.37/18,178.02
  6. Step 6: Final answer
    x = 12,480.58

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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.