Home / 18,528.20-27,795.18-7,435.16

Finding the Fourth Proportional to 18,528.20, 27,795.18 and 7,435.16

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Solution

The fourth proportional to 18,528.20, 27,795.18 and 7,435.16 is: 11,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.20 : 27,795.18 = 7,435.16 : x
  2. Step 2: Convert to fraction form
    18,528.20/27,795.18 = 7,435.16/x
  3. Step 3: Cross multiply
    18,528.20x = 27,795.18 × 7,435.16
  4. Step 4: Simplify right side
    18,528.20x = 206,661,610.53
  5. Step 5: Solve for x
    x = 206,661,610.53/18,528.20
  6. Step 6: Final answer
    x = 11,153.90

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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.