Home / 10,889.76-16,356.24-9,329.16

Finding the Fourth Proportional to 10,889.76, 16,356.24 and 9,329.16

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Solution

The fourth proportional to 10,889.76, 16,356.24 and 9,329.16 is: 14,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.76 : 16,356.24 = 9,329.16 : x
  2. Step 2: Convert to fraction form
    10,889.76/16,356.24 = 9,329.16/x
  3. Step 3: Cross multiply
    10,889.76x = 16,356.24 × 9,329.16
  4. Step 4: Simplify right side
    10,889.76x = 152,589,979.96
  5. Step 5: Solve for x
    x = 152,589,979.96/10,889.76
  6. Step 6: Final answer
    x = 14,012.24

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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.