Home / 13,911.35-20,867.00-9,240.47

Finding the Fourth Proportional to 13,911.35, 20,867.00 and 9,240.47

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Solution

The fourth proportional to 13,911.35, 20,867.00 and 9,240.47 is: 13,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.35 : 20,867.00 = 9,240.47 : x
  2. Step 2: Convert to fraction form
    13,911.35/20,867.00 = 9,240.47/x
  3. Step 3: Cross multiply
    13,911.35x = 20,867.00 × 9,240.47
  4. Step 4: Simplify right side
    13,911.35x = 192,820,910.59
  5. Step 5: Solve for x
    x = 192,820,910.59/13,911.35
  6. Step 6: Final answer
    x = 13,860.69

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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.