Home / 9,905.10-14,856.03-3,330.60

Finding the Fourth Proportional to 9,905.10, 14,856.03 and 3,330.60

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Solution

The fourth proportional to 9,905.10, 14,856.03 and 3,330.60 is: 4,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.10 : 14,856.03 = 3,330.60 : x
  2. Step 2: Convert to fraction form
    9,905.10/14,856.03 = 3,330.60/x
  3. Step 3: Cross multiply
    9,905.10x = 14,856.03 × 3,330.60
  4. Step 4: Simplify right side
    9,905.10x = 49,479,493.52
  5. Step 5: Solve for x
    x = 49,479,493.52/9,905.10
  6. Step 6: Final answer
    x = 4,995.36

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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.