Home / 11,625.82-16,035.51-7,645.66

Finding the Fourth Proportional to 11,625.82, 16,035.51 and 7,645.66

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Solution

The fourth proportional to 11,625.82, 16,035.51 and 7,645.66 is: 10,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.82 : 16,035.51 = 7,645.66 : x
  2. Step 2: Convert to fraction form
    11,625.82/16,035.51 = 7,645.66/x
  3. Step 3: Cross multiply
    11,625.82x = 16,035.51 × 7,645.66
  4. Step 4: Simplify right side
    11,625.82x = 122,602,057.39
  5. Step 5: Solve for x
    x = 122,602,057.39/11,625.82
  6. Step 6: Final answer
    x = 10,545.67

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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.