Home / 20,153.40-30,229.94-5,363.37

Finding the Fourth Proportional to 20,153.40, 30,229.94 and 5,363.37

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Solution

The fourth proportional to 20,153.40, 30,229.94 and 5,363.37 is: 8,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.40 : 30,229.94 = 5,363.37 : x
  2. Step 2: Convert to fraction form
    20,153.40/30,229.94 = 5,363.37/x
  3. Step 3: Cross multiply
    20,153.40x = 30,229.94 × 5,363.37
  4. Step 4: Simplify right side
    20,153.40x = 162,134,326.48
  5. Step 5: Solve for x
    x = 162,134,326.48/20,153.40
  6. Step 6: Final answer
    x = 8,045.01

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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.