Home / 13,249.35-18,284.04-7,281.27

Finding the Fourth Proportional to 13,249.35, 18,284.04 and 7,281.27

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Solution

The fourth proportional to 13,249.35, 18,284.04 and 7,281.27 is: 10,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.35 : 18,284.04 = 7,281.27 : x
  2. Step 2: Convert to fraction form
    13,249.35/18,284.04 = 7,281.27/x
  3. Step 3: Cross multiply
    13,249.35x = 18,284.04 × 7,281.27
  4. Step 4: Simplify right side
    13,249.35x = 133,131,031.93
  5. Step 5: Solve for x
    x = 133,131,031.93/13,249.35
  6. Step 6: Final answer
    x = 10,048.12

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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.