Home / 12,738.53-19,115.56-8,052.08

Finding the Fourth Proportional to 12,738.53, 19,115.56 and 8,052.08

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Solution

The fourth proportional to 12,738.53, 19,115.56 and 8,052.08 is: 12,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.53 : 19,115.56 = 8,052.08 : x
  2. Step 2: Convert to fraction form
    12,738.53/19,115.56 = 8,052.08/x
  3. Step 3: Cross multiply
    12,738.53x = 19,115.56 × 8,052.08
  4. Step 4: Simplify right side
    12,738.53x = 153,920,018.36
  5. Step 5: Solve for x
    x = 153,920,018.36/12,738.53
  6. Step 6: Final answer
    x = 12,083.03

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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.