Home / 18,322.32-27,477.87-5,171.16

Finding the Fourth Proportional to 18,322.32, 27,477.87 and 5,171.16

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Solution

The fourth proportional to 18,322.32, 27,477.87 and 5,171.16 is: 7,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.32 : 27,477.87 = 5,171.16 : x
  2. Step 2: Convert to fraction form
    18,322.32/27,477.87 = 5,171.16/x
  3. Step 3: Cross multiply
    18,322.32x = 27,477.87 × 5,171.16
  4. Step 4: Simplify right side
    18,322.32x = 142,092,462.23
  5. Step 5: Solve for x
    x = 142,092,462.23/18,322.32
  6. Step 6: Final answer
    x = 7,755.16

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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.