Home / 12,506.98-18,759.09-3,147.01

Finding the Fourth Proportional to 12,506.98, 18,759.09 and 3,147.01

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Solution

The fourth proportional to 12,506.98, 18,759.09 and 3,147.01 is: 4,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.98 : 18,759.09 = 3,147.01 : x
  2. Step 2: Convert to fraction form
    12,506.98/18,759.09 = 3,147.01/x
  3. Step 3: Cross multiply
    12,506.98x = 18,759.09 × 3,147.01
  4. Step 4: Simplify right side
    12,506.98x = 59,034,950.03
  5. Step 5: Solve for x
    x = 59,034,950.03/12,506.98
  6. Step 6: Final answer
    x = 4,720.16

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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.