Home / 10,649.24-15,973.91-4,405.86

Finding the Fourth Proportional to 10,649.24, 15,973.91 and 4,405.86

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Solution

The fourth proportional to 10,649.24, 15,973.91 and 4,405.86 is: 6,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.24 : 15,973.91 = 4,405.86 : x
  2. Step 2: Convert to fraction form
    10,649.24/15,973.91 = 4,405.86/x
  3. Step 3: Cross multiply
    10,649.24x = 15,973.91 × 4,405.86
  4. Step 4: Simplify right side
    10,649.24x = 70,378,811.11
  5. Step 5: Solve for x
    x = 70,378,811.11/10,649.24
  6. Step 6: Final answer
    x = 6,608.81

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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.