Home / 18,157.47-27,222.37-9,386.79

Finding the Fourth Proportional to 18,157.47, 27,222.37 and 9,386.79

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Solution

The fourth proportional to 18,157.47, 27,222.37 and 9,386.79 is: 14,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.47 : 27,222.37 = 9,386.79 : x
  2. Step 2: Convert to fraction form
    18,157.47/27,222.37 = 9,386.79/x
  3. Step 3: Cross multiply
    18,157.47x = 27,222.37 × 9,386.79
  4. Step 4: Simplify right side
    18,157.47x = 255,530,623.56
  5. Step 5: Solve for x
    x = 255,530,623.56/18,157.47
  6. Step 6: Final answer
    x = 14,073.03

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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.