Home / 10,929.36-16,386.24-6,001.28

Finding the Fourth Proportional to 10,929.36, 16,386.24 and 6,001.28

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Solution

The fourth proportional to 10,929.36, 16,386.24 and 6,001.28 is: 8,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.36 : 16,386.24 = 6,001.28 : x
  2. Step 2: Convert to fraction form
    10,929.36/16,386.24 = 6,001.28/x
  3. Step 3: Cross multiply
    10,929.36x = 16,386.24 × 6,001.28
  4. Step 4: Simplify right side
    10,929.36x = 98,338,414.39
  5. Step 5: Solve for x
    x = 98,338,414.39/10,929.36
  6. Step 6: Final answer
    x = 8,997.64

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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.