Home / 11,639.75-16,060.73-7,605.51

Finding the Fourth Proportional to 11,639.75, 16,060.73 and 7,605.51

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Solution

The fourth proportional to 11,639.75, 16,060.73 and 7,605.51 is: 10,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.75 : 16,060.73 = 7,605.51 : x
  2. Step 2: Convert to fraction form
    11,639.75/16,060.73 = 7,605.51/x
  3. Step 3: Cross multiply
    11,639.75x = 16,060.73 × 7,605.51
  4. Step 4: Simplify right side
    11,639.75x = 122,149,944.37
  5. Step 5: Solve for x
    x = 122,149,944.37/11,639.75
  6. Step 6: Final answer
    x = 10,494.21

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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.