Home / 13,787.07-20,682.92-10,825.40

Finding the Fourth Proportional to 13,787.07, 20,682.92 and 10,825.40

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Solution

The fourth proportional to 13,787.07, 20,682.92 and 10,825.40 is: 16,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.07 : 20,682.92 = 10,825.40 : x
  2. Step 2: Convert to fraction form
    13,787.07/20,682.92 = 10,825.40/x
  3. Step 3: Cross multiply
    13,787.07x = 20,682.92 × 10,825.40
  4. Step 4: Simplify right side
    13,787.07x = 223,900,767.09
  5. Step 5: Solve for x
    x = 223,900,767.09/13,787.07
  6. Step 6: Final answer
    x = 16,239.91

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1.5x scale

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.