Home / 13,363.12-20,047.54-4,003.86

Finding the Fourth Proportional to 13,363.12, 20,047.54 and 4,003.86

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Solution

The fourth proportional to 13,363.12, 20,047.54 and 4,003.86 is: 6,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.12 : 20,047.54 = 4,003.86 : x
  2. Step 2: Convert to fraction form
    13,363.12/20,047.54 = 4,003.86/x
  3. Step 3: Cross multiply
    13,363.12x = 20,047.54 × 4,003.86
  4. Step 4: Simplify right side
    13,363.12x = 80,267,543.50
  5. Step 5: Solve for x
    x = 80,267,543.50/13,363.12
  6. Step 6: Final answer
    x = 6,006.65

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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.