Home / 13,179.64-19,772.09-4,859.68

Finding the Fourth Proportional to 13,179.64, 19,772.09 and 4,859.68

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Solution

The fourth proportional to 13,179.64, 19,772.09 and 4,859.68 is: 7,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.64 : 19,772.09 = 4,859.68 : x
  2. Step 2: Convert to fraction form
    13,179.64/19,772.09 = 4,859.68/x
  3. Step 3: Cross multiply
    13,179.64x = 19,772.09 × 4,859.68
  4. Step 4: Simplify right side
    13,179.64x = 96,086,030.33
  5. Step 5: Solve for x
    x = 96,086,030.33/13,179.64
  6. Step 6: Final answer
    x = 7,290.49

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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.