Home / 11,387.73-15,715.09-6,352.27

Finding the Fourth Proportional to 11,387.73, 15,715.09 and 6,352.27

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Solution

The fourth proportional to 11,387.73, 15,715.09 and 6,352.27 is: 8,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.73 : 15,715.09 = 6,352.27 : x
  2. Step 2: Convert to fraction form
    11,387.73/15,715.09 = 6,352.27/x
  3. Step 3: Cross multiply
    11,387.73x = 15,715.09 × 6,352.27
  4. Step 4: Simplify right side
    11,387.73x = 99,826,518.16
  5. Step 5: Solve for x
    x = 99,826,518.16/11,387.73
  6. Step 6: Final answer
    x = 8,766.15

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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.