Home / 18,228.08-27,330.60-7,695.20

Finding the Fourth Proportional to 18,228.08, 27,330.60 and 7,695.20

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Solution

The fourth proportional to 18,228.08, 27,330.60 and 7,695.20 is: 11,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.08 : 27,330.60 = 7,695.20 : x
  2. Step 2: Convert to fraction form
    18,228.08/27,330.60 = 7,695.20/x
  3. Step 3: Cross multiply
    18,228.08x = 27,330.60 × 7,695.20
  4. Step 4: Simplify right side
    18,228.08x = 210,314,433.12
  5. Step 5: Solve for x
    x = 210,314,433.12/18,228.08
  6. Step 6: Final answer
    x = 11,537.94

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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.