Home / 13,405.66-20,101.98-4,043.95

Finding the Fourth Proportional to 13,405.66, 20,101.98 and 4,043.95

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Solution

The fourth proportional to 13,405.66, 20,101.98 and 4,043.95 is: 6,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.66 : 20,101.98 = 4,043.95 : x
  2. Step 2: Convert to fraction form
    13,405.66/20,101.98 = 4,043.95/x
  3. Step 3: Cross multiply
    13,405.66x = 20,101.98 × 4,043.95
  4. Step 4: Simplify right side
    13,405.66x = 81,291,402.02
  5. Step 5: Solve for x
    x = 81,291,402.02/13,405.66
  6. Step 6: Final answer
    x = 6,063.96

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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.