Home / 13,129.03-19,706.91-6,559.93

Finding the Fourth Proportional to 13,129.03, 19,706.91 and 6,559.93

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Solution

The fourth proportional to 13,129.03, 19,706.91 and 6,559.93 is: 9,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129.03 : 19,706.91 = 6,559.93 : x
  2. Step 2: Convert to fraction form
    13,129.03/19,706.91 = 6,559.93/x
  3. Step 3: Cross multiply
    13,129.03x = 19,706.91 × 6,559.93
  4. Step 4: Simplify right side
    13,129.03x = 129,275,950.12
  5. Step 5: Solve for x
    x = 129,275,950.12/13,129.03
  6. Step 6: Final answer
    x = 9,846.57

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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.