Home / 13,249.07-19,830.34-9,738.15

Finding the Fourth Proportional to 13,249.07, 19,830.34 and 9,738.15

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Solution

The fourth proportional to 13,249.07, 19,830.34 and 9,738.15 is: 14,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.07 : 19,830.34 = 9,738.15 : x
  2. Step 2: Convert to fraction form
    13,249.07/19,830.34 = 9,738.15/x
  3. Step 3: Cross multiply
    13,249.07x = 19,830.34 × 9,738.15
  4. Step 4: Simplify right side
    13,249.07x = 193,110,776.78
  5. Step 5: Solve for x
    x = 193,110,776.78/13,249.07
  6. Step 6: Final answer
    x = 14,575.42

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1.5x scale

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.