Home / 11,352.93-15,641.49-8,515.89

Finding the Fourth Proportional to 11,352.93, 15,641.49 and 8,515.89

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Solution

The fourth proportional to 11,352.93, 15,641.49 and 8,515.89 is: 11,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.93 : 15,641.49 = 8,515.89 : x
  2. Step 2: Convert to fraction form
    11,352.93/15,641.49 = 8,515.89/x
  3. Step 3: Cross multiply
    11,352.93x = 15,641.49 × 8,515.89
  4. Step 4: Simplify right side
    11,352.93x = 133,201,208.28
  5. Step 5: Solve for x
    x = 133,201,208.28/11,352.93
  6. Step 6: Final answer
    x = 11,732.76

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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.