Home / 12,523.14-18,787.59-3,758.22

Finding the Fourth Proportional to 12,523.14, 18,787.59 and 3,758.22

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Solution

The fourth proportional to 12,523.14, 18,787.59 and 3,758.22 is: 5,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.14 : 18,787.59 = 3,758.22 : x
  2. Step 2: Convert to fraction form
    12,523.14/18,787.59 = 3,758.22/x
  3. Step 3: Cross multiply
    12,523.14x = 18,787.59 × 3,758.22
  4. Step 4: Simplify right side
    12,523.14x = 70,607,896.49
  5. Step 5: Solve for x
    x = 70,607,896.49/12,523.14
  6. Step 6: Final answer
    x = 5,638.19

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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.