Home / 13,212.09-19,824.59-5,815.62

Finding the Fourth Proportional to 13,212.09, 19,824.59 and 5,815.62

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Solution

The fourth proportional to 13,212.09, 19,824.59 and 5,815.62 is: 8,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.09 : 19,824.59 = 5,815.62 : x
  2. Step 2: Convert to fraction form
    13,212.09/19,824.59 = 5,815.62/x
  3. Step 3: Cross multiply
    13,212.09x = 19,824.59 × 5,815.62
  4. Step 4: Simplify right side
    13,212.09x = 115,292,253.02
  5. Step 5: Solve for x
    x = 115,292,253.02/13,212.09
  6. Step 6: Final answer
    x = 8,726.27

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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.