Home / 12,525.28-18,787.84-3,760.16

Finding the Fourth Proportional to 12,525.28, 18,787.84 and 3,760.16

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Solution

The fourth proportional to 12,525.28, 18,787.84 and 3,760.16 is: 5,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.28 : 18,787.84 = 3,760.16 : x
  2. Step 2: Convert to fraction form
    12,525.28/18,787.84 = 3,760.16/x
  3. Step 3: Cross multiply
    12,525.28x = 18,787.84 × 3,760.16
  4. Step 4: Simplify right side
    12,525.28x = 70,645,284.45
  5. Step 5: Solve for x
    x = 70,645,284.45/12,525.28
  6. Step 6: Final answer
    x = 5,640.22

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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.