Home / 18,171.36-27,236.88-10,362.96

Finding the Fourth Proportional to 18,171.36, 27,236.88 and 10,362.96

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Solution

The fourth proportional to 18,171.36, 27,236.88 and 10,362.96 is: 15,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.36 : 27,236.88 = 10,362.96 : x
  2. Step 2: Convert to fraction form
    18,171.36/27,236.88 = 10,362.96/x
  3. Step 3: Cross multiply
    18,171.36x = 27,236.88 × 10,362.96
  4. Step 4: Simplify right side
    18,171.36x = 282,254,697.96
  5. Step 5: Solve for x
    x = 282,254,697.96/18,171.36
  6. Step 6: Final answer
    x = 15,532.94

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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.