Home / 13,095.12-19,639.44-3,861.12

Finding the Fourth Proportional to 13,095.12, 19,639.44 and 3,861.12

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Solution

The fourth proportional to 13,095.12, 19,639.44 and 3,861.12 is: 5,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.12 : 19,639.44 = 3,861.12 : x
  2. Step 2: Convert to fraction form
    13,095.12/19,639.44 = 3,861.12/x
  3. Step 3: Cross multiply
    13,095.12x = 19,639.44 × 3,861.12
  4. Step 4: Simplify right side
    13,095.12x = 75,830,234.57
  5. Step 5: Solve for x
    x = 75,830,234.57/13,095.12
  6. Step 6: Final answer
    x = 5,790.72

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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.