Home / 13,290.05-19,936.91-5,894.35

Finding the Fourth Proportional to 13,290.05, 19,936.91 and 5,894.35

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Solution

The fourth proportional to 13,290.05, 19,936.91 and 5,894.35 is: 8,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.05 : 19,936.91 = 5,894.35 : x
  2. Step 2: Convert to fraction form
    13,290.05/19,936.91 = 5,894.35/x
  3. Step 3: Cross multiply
    13,290.05x = 19,936.91 × 5,894.35
  4. Step 4: Simplify right side
    13,290.05x = 117,515,125.46
  5. Step 5: Solve for x
    x = 117,515,125.46/13,290.05
  6. Step 6: Final answer
    x = 8,842.34

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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.