Home / 18,177.37-27,222.30-12,316.21

Finding the Fourth Proportional to 18,177.37, 27,222.30 and 12,316.21

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Solution

The fourth proportional to 18,177.37, 27,222.30 and 12,316.21 is: 18,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.37 : 27,222.30 = 12,316.21 : x
  2. Step 2: Convert to fraction form
    18,177.37/27,222.30 = 12,316.21/x
  3. Step 3: Cross multiply
    18,177.37x = 27,222.30 × 12,316.21
  4. Step 4: Simplify right side
    18,177.37x = 335,275,563.48
  5. Step 5: Solve for x
    x = 335,275,563.48/18,177.37
  6. Step 6: Final answer
    x = 18,444.67

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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.