Home / 10,496.82-15,706.35-7,725.54

Finding the Fourth Proportional to 10,496.82, 15,706.35 and 7,725.54

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Solution

The fourth proportional to 10,496.82, 15,706.35 and 7,725.54 is: 11,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,496.82 : 15,706.35 = 7,725.54 : x
  2. Step 2: Convert to fraction form
    10,496.82/15,706.35 = 7,725.54/x
  3. Step 3: Cross multiply
    10,496.82x = 15,706.35 × 7,725.54
  4. Step 4: Simplify right side
    10,496.82x = 121,340,035.18
  5. Step 5: Solve for x
    x = 121,340,035.18/10,496.82
  6. Step 6: Final answer
    x = 11,559.69

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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.