Home / 9,511.53-13,125.68-5,262.49

Finding the Fourth Proportional to 9,511.53, 13,125.68 and 5,262.49

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Solution

The fourth proportional to 9,511.53, 13,125.68 and 5,262.49 is: 7,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.53 : 13,125.68 = 5,262.49 : x
  2. Step 2: Convert to fraction form
    9,511.53/13,125.68 = 5,262.49/x
  3. Step 3: Cross multiply
    9,511.53x = 13,125.68 × 5,262.49
  4. Step 4: Simplify right side
    9,511.53x = 69,073,733.43
  5. Step 5: Solve for x
    x = 69,073,733.43/9,511.53
  6. Step 6: Final answer
    x = 7,262.11

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1.5x scale

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.