Home / 12,560.82-18,848.52-6,720.72

Finding the Fourth Proportional to 12,560.82, 18,848.52 and 6,720.72

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Solution

The fourth proportional to 12,560.82, 18,848.52 and 6,720.72 is: 10,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.82 : 18,848.52 = 6,720.72 : x
  2. Step 2: Convert to fraction form
    12,560.82/18,848.52 = 6,720.72/x
  3. Step 3: Cross multiply
    12,560.82x = 18,848.52 × 6,720.72
  4. Step 4: Simplify right side
    12,560.82x = 126,675,625.33
  5. Step 5: Solve for x
    x = 126,675,625.33/12,560.82
  6. Step 6: Final answer
    x = 10,084.98

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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.