Home / 13,879.50-20,822.85-4,994.52

Finding the Fourth Proportional to 13,879.50, 20,822.85 and 4,994.52

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Solution

The fourth proportional to 13,879.50, 20,822.85 and 4,994.52 is: 7,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.50 : 20,822.85 = 4,994.52 : x
  2. Step 2: Convert to fraction form
    13,879.50/20,822.85 = 4,994.52/x
  3. Step 3: Cross multiply
    13,879.50x = 20,822.85 × 4,994.52
  4. Step 4: Simplify right side
    13,879.50x = 104,000,140.78
  5. Step 5: Solve for x
    x = 104,000,140.78/13,879.50
  6. Step 6: Final answer
    x = 7,493.08

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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.