Home / 19,740.14-27,241.34-10,787.70

Finding the Fourth Proportional to 19,740.14, 27,241.34 and 10,787.70

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Solution

The fourth proportional to 19,740.14, 27,241.34 and 10,787.70 is: 14,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.14 : 27,241.34 = 10,787.70 : x
  2. Step 2: Convert to fraction form
    19,740.14/27,241.34 = 10,787.70/x
  3. Step 3: Cross multiply
    19,740.14x = 27,241.34 × 10,787.70
  4. Step 4: Simplify right side
    19,740.14x = 293,871,349.58
  5. Step 5: Solve for x
    x = 293,871,349.58/19,740.14
  6. Step 6: Final answer
    x = 14,886.99

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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.