Home / 19,738.98-27,240.53-10,787.09

Finding the Fourth Proportional to 19,738.98, 27,240.53 and 10,787.09

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Solution

The fourth proportional to 19,738.98, 27,240.53 and 10,787.09 is: 14,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.98 : 27,240.53 = 10,787.09 : x
  2. Step 2: Convert to fraction form
    19,738.98/27,240.53 = 10,787.09/x
  3. Step 3: Cross multiply
    19,738.98x = 27,240.53 × 10,787.09
  4. Step 4: Simplify right side
    19,738.98x = 293,845,858.62
  5. Step 5: Solve for x
    x = 293,845,858.62/19,738.98
  6. Step 6: Final answer
    x = 14,886.58

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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.