Home / 20,156.94-30,237.12-5,365.86

Finding the Fourth Proportional to 20,156.94, 30,237.12 and 5,365.86

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Solution

The fourth proportional to 20,156.94, 30,237.12 and 5,365.86 is: 8,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.94 : 30,237.12 = 5,365.86 : x
  2. Step 2: Convert to fraction form
    20,156.94/30,237.12 = 5,365.86/x
  3. Step 3: Cross multiply
    20,156.94x = 30,237.12 × 5,365.86
  4. Step 4: Simplify right side
    20,156.94x = 162,248,152.72
  5. Step 5: Solve for x
    x = 162,248,152.72/20,156.94
  6. Step 6: Final answer
    x = 8,049.25

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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.