Home / 10,491.08-15,731.19-3,094.60

Finding the Fourth Proportional to 10,491.08, 15,731.19 and 3,094.60

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Solution

The fourth proportional to 10,491.08, 15,731.19 and 3,094.60 is: 4,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.08 : 15,731.19 = 3,094.60 : x
  2. Step 2: Convert to fraction form
    10,491.08/15,731.19 = 3,094.60/x
  3. Step 3: Cross multiply
    10,491.08x = 15,731.19 × 3,094.60
  4. Step 4: Simplify right side
    10,491.08x = 48,681,661.92
  5. Step 5: Solve for x
    x = 48,681,661.92/10,491.08
  6. Step 6: Final answer
    x = 4,640.29

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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.