Home / 10,639.18-15,941.49-6,260.62

Finding the Fourth Proportional to 10,639.18, 15,941.49 and 6,260.62

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Solution

The fourth proportional to 10,639.18, 15,941.49 and 6,260.62 is: 9,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.18 : 15,941.49 = 6,260.62 : x
  2. Step 2: Convert to fraction form
    10,639.18/15,941.49 = 6,260.62/x
  3. Step 3: Cross multiply
    10,639.18x = 15,941.49 × 6,260.62
  4. Step 4: Simplify right side
    10,639.18x = 99,803,611.12
  5. Step 5: Solve for x
    x = 99,803,611.12/10,639.18
  6. Step 6: Final answer
    x = 9,380.76

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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.