Home / 9,513.90-13,129.20-5,265

Finding the Fourth Proportional to 9,513.90, 13,129.20 and 5,265

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Solution

The fourth proportional to 9,513.90, 13,129.20 and 5,265 is: 7,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.90 : 13,129.20 = 5,265 : x
  2. Step 2: Convert to fraction form
    9,513.90/13,129.20 = 5,265/x
  3. Step 3: Cross multiply
    9,513.90x = 13,129.20 × 5,265
  4. Step 4: Simplify right side
    9,513.90x = 69,125,238
  5. Step 5: Solve for x
    x = 69,125,238/9,513.90
  6. Step 6: Final answer
    x = 7,265.71

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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.