Home / 12,506.26-18,759.37-5,013.20

Finding the Fourth Proportional to 12,506.26, 18,759.37 and 5,013.20

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Solution

The fourth proportional to 12,506.26, 18,759.37 and 5,013.20 is: 7,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.26 : 18,759.37 = 5,013.20 : x
  2. Step 2: Convert to fraction form
    12,506.26/18,759.37 = 5,013.20/x
  3. Step 3: Cross multiply
    12,506.26x = 18,759.37 × 5,013.20
  4. Step 4: Simplify right side
    12,506.26x = 94,044,379.89
  5. Step 5: Solve for x
    x = 94,044,379.89/12,506.26
  6. Step 6: Final answer
    x = 7,519.79

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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.