Home / 11,623.23-16,039.71-6,317.91

Finding the Fourth Proportional to 11,623.23, 16,039.71 and 6,317.91

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Solution

The fourth proportional to 11,623.23, 16,039.71 and 6,317.91 is: 8,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.23 : 16,039.71 = 6,317.91 : x
  2. Step 2: Convert to fraction form
    11,623.23/16,039.71 = 6,317.91/x
  3. Step 3: Cross multiply
    11,623.23x = 16,039.71 × 6,317.91
  4. Step 4: Simplify right side
    11,623.23x = 101,337,444.21
  5. Step 5: Solve for x
    x = 101,337,444.21/11,623.23
  6. Step 6: Final answer
    x = 8,718.53

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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.