Home / 18,353.88-27,530.81-5,206.37

Finding the Fourth Proportional to 18,353.88, 27,530.81 and 5,206.37

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Solution

The fourth proportional to 18,353.88, 27,530.81 and 5,206.37 is: 7,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.88 : 27,530.81 = 5,206.37 : x
  2. Step 2: Convert to fraction form
    18,353.88/27,530.81 = 5,206.37/x
  3. Step 3: Cross multiply
    18,353.88x = 27,530.81 × 5,206.37
  4. Step 4: Simplify right side
    18,353.88x = 143,335,419.57
  5. Step 5: Solve for x
    x = 143,335,419.57/18,353.88
  6. Step 6: Final answer
    x = 7,809.54

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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.