Home / 11,622.77-16,039.53-6,317.59

Finding the Fourth Proportional to 11,622.77, 16,039.53 and 6,317.59

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Solution

The fourth proportional to 11,622.77, 16,039.53 and 6,317.59 is: 8,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.77 : 16,039.53 = 6,317.59 : x
  2. Step 2: Convert to fraction form
    11,622.77/16,039.53 = 6,317.59/x
  3. Step 3: Cross multiply
    11,622.77x = 16,039.53 × 6,317.59
  4. Step 4: Simplify right side
    11,622.77x = 101,331,174.33
  5. Step 5: Solve for x
    x = 101,331,174.33/11,622.77
  6. Step 6: Final answer
    x = 8,718.33

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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.