Home / 9,309.44-12,847.02-5,330.36

Finding the Fourth Proportional to 9,309.44, 12,847.02 and 5,330.36

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Solution

The fourth proportional to 9,309.44, 12,847.02 and 5,330.36 is: 7,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.44 : 12,847.02 = 5,330.36 : x
  2. Step 2: Convert to fraction form
    9,309.44/12,847.02 = 5,330.36/x
  3. Step 3: Cross multiply
    9,309.44x = 12,847.02 × 5,330.36
  4. Step 4: Simplify right side
    9,309.44x = 68,479,241.53
  5. Step 5: Solve for x
    x = 68,479,241.53/9,309.44
  6. Step 6: Final answer
    x = 7,355.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.