Home / 19,378.53-29,043.42-10,493.51

Finding the Fourth Proportional to 19,378.53, 29,043.42 and 10,493.51

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Solution

The fourth proportional to 19,378.53, 29,043.42 and 10,493.51 is: 15,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.53 : 29,043.42 = 10,493.51 : x
  2. Step 2: Convert to fraction form
    19,378.53/29,043.42 = 10,493.51/x
  3. Step 3: Cross multiply
    19,378.53x = 29,043.42 × 10,493.51
  4. Step 4: Simplify right side
    19,378.53x = 304,767,418.20
  5. Step 5: Solve for x
    x = 304,767,418.20/19,378.53
  6. Step 6: Final answer
    x = 15,727.07

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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.