Home / 13,249.24-18,283.98-7,281.34

Finding the Fourth Proportional to 13,249.24, 18,283.98 and 7,281.34

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Solution

The fourth proportional to 13,249.24, 18,283.98 and 7,281.34 is: 10,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.24 : 18,283.98 = 7,281.34 : x
  2. Step 2: Convert to fraction form
    13,249.24/18,283.98 = 7,281.34/x
  3. Step 3: Cross multiply
    13,249.24x = 18,283.98 × 7,281.34
  4. Step 4: Simplify right side
    13,249.24x = 133,131,874.93
  5. Step 5: Solve for x
    x = 133,131,874.93/13,249.24
  6. Step 6: Final answer
    x = 10,048.27

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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.