Home / 19,740.25-27,241.32-10,787.73

Finding the Fourth Proportional to 19,740.25, 27,241.32 and 10,787.73

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Solution

The fourth proportional to 19,740.25, 27,241.32 and 10,787.73 is: 14,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.25 : 27,241.32 = 10,787.73 : x
  2. Step 2: Convert to fraction form
    19,740.25/27,241.32 = 10,787.73/x
  3. Step 3: Cross multiply
    19,740.25x = 27,241.32 × 10,787.73
  4. Step 4: Simplify right side
    19,740.25x = 293,872,005.00
  5. Step 5: Solve for x
    x = 293,872,005.00/19,740.25
  6. Step 6: Final answer
    x = 14,886.94

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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.