Home / 12,850.48-19,266.40-8,680.06

Finding the Fourth Proportional to 12,850.48, 19,266.40 and 8,680.06

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Solution

The fourth proportional to 12,850.48, 19,266.40 and 8,680.06 is: 13,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.48 : 19,266.40 = 8,680.06 : x
  2. Step 2: Convert to fraction form
    12,850.48/19,266.40 = 8,680.06/x
  3. Step 3: Cross multiply
    12,850.48x = 19,266.40 × 8,680.06
  4. Step 4: Simplify right side
    12,850.48x = 167,233,507.98
  5. Step 5: Solve for x
    x = 167,233,507.98/12,850.48
  6. Step 6: Final answer
    x = 13,013.79

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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.