Home / 12,506.39-18,759.62-5,110.85

Finding the Fourth Proportional to 12,506.39, 18,759.62 and 5,110.85

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Solution

The fourth proportional to 12,506.39, 18,759.62 and 5,110.85 is: 7,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.39 : 18,759.62 = 5,110.85 : x
  2. Step 2: Convert to fraction form
    12,506.39/18,759.62 = 5,110.85/x
  3. Step 3: Cross multiply
    12,506.39x = 18,759.62 × 5,110.85
  4. Step 4: Simplify right side
    12,506.39x = 95,877,603.88
  5. Step 5: Solve for x
    x = 95,877,603.88/12,506.39
  6. Step 6: Final answer
    x = 7,666.29

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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.