Home / 9,511.70-13,125.48-5,532.54

Finding the Fourth Proportional to 9,511.70, 13,125.48 and 5,532.54

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Solution

The fourth proportional to 9,511.70, 13,125.48 and 5,532.54 is: 7,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.70 : 13,125.48 = 5,532.54 : x
  2. Step 2: Convert to fraction form
    9,511.70/13,125.48 = 5,532.54/x
  3. Step 3: Cross multiply
    9,511.70x = 13,125.48 × 5,532.54
  4. Step 4: Simplify right side
    9,511.70x = 72,617,243.12
  5. Step 5: Solve for x
    x = 72,617,243.12/9,511.70
  6. Step 6: Final answer
    x = 7,634.52

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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.