Home / 13,240.97-19,859.26-4,356.41

Finding the Fourth Proportional to 13,240.97, 19,859.26 and 4,356.41

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Solution

The fourth proportional to 13,240.97, 19,859.26 and 4,356.41 is: 6,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.97 : 19,859.26 = 4,356.41 : x
  2. Step 2: Convert to fraction form
    13,240.97/19,859.26 = 4,356.41/x
  3. Step 3: Cross multiply
    13,240.97x = 19,859.26 × 4,356.41
  4. Step 4: Simplify right side
    13,240.97x = 86,515,078.86
  5. Step 5: Solve for x
    x = 86,515,078.86/13,240.97
  6. Step 6: Final answer
    x = 6,533.89

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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.