Home / 19,739.84-27,241.05-10,787.34

Finding the Fourth Proportional to 19,739.84, 27,241.05 and 10,787.34

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Solution

The fourth proportional to 19,739.84, 27,241.05 and 10,787.34 is: 14,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.84 : 27,241.05 = 10,787.34 : x
  2. Step 2: Convert to fraction form
    19,739.84/27,241.05 = 10,787.34/x
  3. Step 3: Cross multiply
    19,739.84x = 27,241.05 × 10,787.34
  4. Step 4: Simplify right side
    19,739.84x = 293,858,468.31
  5. Step 5: Solve for x
    x = 293,858,468.31/19,739.84
  6. Step 6: Final answer
    x = 14,886.57

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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.