Home / 18,235.12-27,318.12-9,007.60

Finding the Fourth Proportional to 18,235.12, 27,318.12 and 9,007.60

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Solution

The fourth proportional to 18,235.12, 27,318.12 and 9,007.60 is: 13,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.12 : 27,318.12 = 9,007.60 : x
  2. Step 2: Convert to fraction form
    18,235.12/27,318.12 = 9,007.60/x
  3. Step 3: Cross multiply
    18,235.12x = 27,318.12 × 9,007.60
  4. Step 4: Simplify right side
    18,235.12x = 246,070,697.71
  5. Step 5: Solve for x
    x = 246,070,697.71/18,235.12
  6. Step 6: Final answer
    x = 13,494.33

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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.