Home / 19,841.28-29,763.36-5,991.36

Finding the Fourth Proportional to 19,841.28, 29,763.36 and 5,991.36

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Solution

The fourth proportional to 19,841.28, 29,763.36 and 5,991.36 is: 8,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.28 : 29,763.36 = 5,991.36 : x
  2. Step 2: Convert to fraction form
    19,841.28/29,763.36 = 5,991.36/x
  3. Step 3: Cross multiply
    19,841.28x = 29,763.36 × 5,991.36
  4. Step 4: Simplify right side
    19,841.28x = 178,323,004.57
  5. Step 5: Solve for x
    x = 178,323,004.57/19,841.28
  6. Step 6: Final answer
    x = 8,987.47

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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.