Home / 13,410.18-20,107.44-4,047.39

Finding the Fourth Proportional to 13,410.18, 20,107.44 and 4,047.39

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Solution

The fourth proportional to 13,410.18, 20,107.44 and 4,047.39 is: 6,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.18 : 20,107.44 = 4,047.39 : x
  2. Step 2: Convert to fraction form
    13,410.18/20,107.44 = 4,047.39/x
  3. Step 3: Cross multiply
    13,410.18x = 20,107.44 × 4,047.39
  4. Step 4: Simplify right side
    13,410.18x = 81,382,651.58
  5. Step 5: Solve for x
    x = 81,382,651.58/13,410.18
  6. Step 6: Final answer
    x = 6,068.72

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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.