Home / 10,720.89-14,795.46-6,005.88

Finding the Fourth Proportional to 10,720.89, 14,795.46 and 6,005.88

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Solution

The fourth proportional to 10,720.89, 14,795.46 and 6,005.88 is: 8,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.89 : 14,795.46 = 6,005.88 : x
  2. Step 2: Convert to fraction form
    10,720.89/14,795.46 = 6,005.88/x
  3. Step 3: Cross multiply
    10,720.89x = 14,795.46 × 6,005.88
  4. Step 4: Simplify right side
    10,720.89x = 88,859,757.30
  5. Step 5: Solve for x
    x = 88,859,757.30/10,720.89
  6. Step 6: Final answer
    x = 8,288.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.