Home / 10,566.97-15,849.53-6,405.75

Finding the Fourth Proportional to 10,566.97, 15,849.53 and 6,405.75

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Solution

The fourth proportional to 10,566.97, 15,849.53 and 6,405.75 is: 9,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.97 : 15,849.53 = 6,405.75 : x
  2. Step 2: Convert to fraction form
    10,566.97/15,849.53 = 6,405.75/x
  3. Step 3: Cross multiply
    10,566.97x = 15,849.53 × 6,405.75
  4. Step 4: Simplify right side
    10,566.97x = 101,528,126.80
  5. Step 5: Solve for x
    x = 101,528,126.80/10,566.97
  6. Step 6: Final answer
    x = 9,608.07

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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.