Home / 9,015.06-13,511.07-3,813.78

Finding the Fourth Proportional to 9,015.06, 13,511.07 and 3,813.78

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Solution

The fourth proportional to 9,015.06, 13,511.07 and 3,813.78 is: 5,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.06 : 13,511.07 = 3,813.78 : x
  2. Step 2: Convert to fraction form
    9,015.06/13,511.07 = 3,813.78/x
  3. Step 3: Cross multiply
    9,015.06x = 13,511.07 × 3,813.78
  4. Step 4: Simplify right side
    9,015.06x = 51,528,248.54
  5. Step 5: Solve for x
    x = 51,528,248.54/9,015.06
  6. Step 6: Final answer
    x = 5,715.80

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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.