Home / 9,515.61-13,131.38-5,266.33

Finding the Fourth Proportional to 9,515.61, 13,131.38 and 5,266.33

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Solution

The fourth proportional to 9,515.61, 13,131.38 and 5,266.33 is: 7,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.61 : 13,131.38 = 5,266.33 : x
  2. Step 2: Convert to fraction form
    9,515.61/13,131.38 = 5,266.33/x
  3. Step 3: Cross multiply
    9,515.61x = 13,131.38 × 5,266.33
  4. Step 4: Simplify right side
    9,515.61x = 69,154,160.77
  5. Step 5: Solve for x
    x = 69,154,160.77/9,515.61
  6. Step 6: Final answer
    x = 7,267.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.