Home / 8,107.81-12,145.29-6,252.49

Finding the Fourth Proportional to 8,107.81, 12,145.29 and 6,252.49

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Solution

The fourth proportional to 8,107.81, 12,145.29 and 6,252.49 is: 9,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.81 : 12,145.29 = 6,252.49 : x
  2. Step 2: Convert to fraction form
    8,107.81/12,145.29 = 6,252.49/x
  3. Step 3: Cross multiply
    8,107.81x = 12,145.29 × 6,252.49
  4. Step 4: Simplify right side
    8,107.81x = 75,938,304.27
  5. Step 5: Solve for x
    x = 75,938,304.27/8,107.81
  6. Step 6: Final answer
    x = 9,366.07

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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.