Home / 13,457.87-20,179.10-4,095.11

Finding the Fourth Proportional to 13,457.87, 20,179.10 and 4,095.11

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Solution

The fourth proportional to 13,457.87, 20,179.10 and 4,095.11 is: 6,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.87 : 20,179.10 = 4,095.11 : x
  2. Step 2: Convert to fraction form
    13,457.87/20,179.10 = 4,095.11/x
  3. Step 3: Cross multiply
    13,457.87x = 20,179.10 × 4,095.11
  4. Step 4: Simplify right side
    13,457.87x = 82,635,694.89
  5. Step 5: Solve for x
    x = 82,635,694.89/13,457.87
  6. Step 6: Final answer
    x = 6,140.33

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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.