Home / 13,249.88-18,284.45-7,281.54

Finding the Fourth Proportional to 13,249.88, 18,284.45 and 7,281.54

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Solution

The fourth proportional to 13,249.88, 18,284.45 and 7,281.54 is: 10,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.88 : 18,284.45 = 7,281.54 : x
  2. Step 2: Convert to fraction form
    13,249.88/18,284.45 = 7,281.54/x
  3. Step 3: Cross multiply
    13,249.88x = 18,284.45 × 7,281.54
  4. Step 4: Simplify right side
    13,249.88x = 133,138,862.63
  5. Step 5: Solve for x
    x = 133,138,862.63/13,249.88
  6. Step 6: Final answer
    x = 10,048.31

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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.