Home / 10,643.86-15,960.44-6,202.96

Finding the Fourth Proportional to 10,643.86, 15,960.44 and 6,202.96

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Solution

The fourth proportional to 10,643.86, 15,960.44 and 6,202.96 is: 9,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.86 : 15,960.44 = 6,202.96 : x
  2. Step 2: Convert to fraction form
    10,643.86/15,960.44 = 6,202.96/x
  3. Step 3: Cross multiply
    10,643.86x = 15,960.44 × 6,202.96
  4. Step 4: Simplify right side
    10,643.86x = 99,001,970.90
  5. Step 5: Solve for x
    x = 99,001,970.90/10,643.86
  6. Step 6: Final answer
    x = 9,301.32

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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.