Home / 18,273.27-27,407.63-5,126.67

Finding the Fourth Proportional to 18,273.27, 27,407.63 and 5,126.67

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Solution

The fourth proportional to 18,273.27, 27,407.63 and 5,126.67 is: 7,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.27 : 27,407.63 = 5,126.67 : x
  2. Step 2: Convert to fraction form
    18,273.27/27,407.63 = 5,126.67/x
  3. Step 3: Cross multiply
    18,273.27x = 27,407.63 × 5,126.67
  4. Step 4: Simplify right side
    18,273.27x = 140,509,874.49
  5. Step 5: Solve for x
    x = 140,509,874.49/18,273.27
  6. Step 6: Final answer
    x = 7,689.37

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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.