Home / 10,034.09-15,051.60-2,639.30

Finding the Fourth Proportional to 10,034.09, 15,051.60 and 2,639.30

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Solution

The fourth proportional to 10,034.09, 15,051.60 and 2,639.30 is: 3,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,034.09 : 15,051.60 = 2,639.30 : x
  2. Step 2: Convert to fraction form
    10,034.09/15,051.60 = 2,639.30/x
  3. Step 3: Cross multiply
    10,034.09x = 15,051.60 × 2,639.30
  4. Step 4: Simplify right side
    10,034.09x = 39,725,687.88
  5. Step 5: Solve for x
    x = 39,725,687.88/10,034.09
  6. Step 6: Final answer
    x = 3,959.07

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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.