Home / 10,946.32-16,424.32-6,789.36

Finding the Fourth Proportional to 10,946.32, 16,424.32 and 6,789.36

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Solution

The fourth proportional to 10,946.32, 16,424.32 and 6,789.36 is: 10,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.32 : 16,424.32 = 6,789.36 : x
  2. Step 2: Convert to fraction form
    10,946.32/16,424.32 = 6,789.36/x
  3. Step 3: Cross multiply
    10,946.32x = 16,424.32 × 6,789.36
  4. Step 4: Simplify right side
    10,946.32x = 111,510,621.24
  5. Step 5: Solve for x
    x = 111,510,621.24/10,946.32
  6. Step 6: Final answer
    x = 10,187.04

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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.