Home / 13,891.84-19,172.27-7,924.97

Finding the Fourth Proportional to 13,891.84, 19,172.27 and 7,924.97

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Solution

The fourth proportional to 13,891.84, 19,172.27 and 7,924.97 is: 10,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.84 : 19,172.27 = 7,924.97 : x
  2. Step 2: Convert to fraction form
    13,891.84/19,172.27 = 7,924.97/x
  3. Step 3: Cross multiply
    13,891.84x = 19,172.27 × 7,924.97
  4. Step 4: Simplify right side
    13,891.84x = 151,939,664.58
  5. Step 5: Solve for x
    x = 151,939,664.58/13,891.84
  6. Step 6: Final answer
    x = 10,937.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.