Home / 10,179.30-15,269.09-2,784.36

Finding the Fourth Proportional to 10,179.30, 15,269.09 and 2,784.36

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Solution

The fourth proportional to 10,179.30, 15,269.09 and 2,784.36 is: 4,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.30 : 15,269.09 = 2,784.36 : x
  2. Step 2: Convert to fraction form
    10,179.30/15,269.09 = 2,784.36/x
  3. Step 3: Cross multiply
    10,179.30x = 15,269.09 × 2,784.36
  4. Step 4: Simplify right side
    10,179.30x = 42,514,629.51
  5. Step 5: Solve for x
    x = 42,514,629.51/10,179.30
  6. Step 6: Final answer
    x = 4,176.58

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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.