Home / 9,013.97-13,511.39-5,317.94

Finding the Fourth Proportional to 9,013.97, 13,511.39 and 5,317.94

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Solution

The fourth proportional to 9,013.97, 13,511.39 and 5,317.94 is: 7,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.97 : 13,511.39 = 5,317.94 : x
  2. Step 2: Convert to fraction form
    9,013.97/13,511.39 = 5,317.94/x
  3. Step 3: Cross multiply
    9,013.97x = 13,511.39 × 5,317.94
  4. Step 4: Simplify right side
    9,013.97x = 71,852,768.53
  5. Step 5: Solve for x
    x = 71,852,768.53/9,013.97
  6. Step 6: Final answer
    x = 7,971.27

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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.