Home / 11,647.79-17,480.39-4,533.14

Finding the Fourth Proportional to 11,647.79, 17,480.39 and 4,533.14

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Solution

The fourth proportional to 11,647.79, 17,480.39 and 4,533.14 is: 6,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.79 : 17,480.39 = 4,533.14 : x
  2. Step 2: Convert to fraction form
    11,647.79/17,480.39 = 4,533.14/x
  3. Step 3: Cross multiply
    11,647.79x = 17,480.39 × 4,533.14
  4. Step 4: Simplify right side
    11,647.79x = 79,241,129.22
  5. Step 5: Solve for x
    x = 79,241,129.22/11,647.79
  6. Step 6: Final answer
    x = 6,803.11

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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.