Home / 20,151.24-30,226.82-5,360.16

Finding the Fourth Proportional to 20,151.24, 30,226.82 and 5,360.16

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Solution

The fourth proportional to 20,151.24, 30,226.82 and 5,360.16 is: 8,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.24 : 30,226.82 = 5,360.16 : x
  2. Step 2: Convert to fraction form
    20,151.24/30,226.82 = 5,360.16/x
  3. Step 3: Cross multiply
    20,151.24x = 30,226.82 × 5,360.16
  4. Step 4: Simplify right side
    20,151.24x = 162,020,591.49
  5. Step 5: Solve for x
    x = 162,020,591.49/20,151.24
  6. Step 6: Final answer
    x = 8,040.23

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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.