Home / 18,216.02-27,319.08-7,825.34

Finding the Fourth Proportional to 18,216.02, 27,319.08 and 7,825.34

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Solution

The fourth proportional to 18,216.02, 27,319.08 and 7,825.34 is: 11,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.02 : 27,319.08 = 7,825.34 : x
  2. Step 2: Convert to fraction form
    18,216.02/27,319.08 = 7,825.34/x
  3. Step 3: Cross multiply
    18,216.02x = 27,319.08 × 7,825.34
  4. Step 4: Simplify right side
    18,216.02x = 213,781,089.49
  5. Step 5: Solve for x
    x = 213,781,089.49/18,216.02
  6. Step 6: Final answer
    x = 11,735.88

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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.