Home / 13,217.53-18,240.14-7,249.58

Finding the Fourth Proportional to 13,217.53, 18,240.14 and 7,249.58

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Solution

The fourth proportional to 13,217.53, 18,240.14 and 7,249.58 is: 10,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.53 : 18,240.14 = 7,249.58 : x
  2. Step 2: Convert to fraction form
    13,217.53/18,240.14 = 7,249.58/x
  3. Step 3: Cross multiply
    13,217.53x = 18,240.14 × 7,249.58
  4. Step 4: Simplify right side
    13,217.53x = 132,233,257.39
  5. Step 5: Solve for x
    x = 132,233,257.39/13,217.53
  6. Step 6: Final answer
    x = 10,004.39

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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.