Home / 10,553.61-15,824.57-4,318

Finding the Fourth Proportional to 10,553.61, 15,824.57 and 4,318

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Solution

The fourth proportional to 10,553.61, 15,824.57 and 4,318 is: 6,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.61 : 15,824.57 = 4,318 : x
  2. Step 2: Convert to fraction form
    10,553.61/15,824.57 = 4,318/x
  3. Step 3: Cross multiply
    10,553.61x = 15,824.57 × 4,318
  4. Step 4: Simplify right side
    10,553.61x = 68,330,493.26
  5. Step 5: Solve for x
    x = 68,330,493.26/10,553.61
  6. Step 6: Final answer
    x = 6,474.61

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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.