Home / 12,038.82-16,613.86-6,661.26

Finding the Fourth Proportional to 12,038.82, 16,613.86 and 6,661.26

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Solution

The fourth proportional to 12,038.82, 16,613.86 and 6,661.26 is: 9,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.82 : 16,613.86 = 6,661.26 : x
  2. Step 2: Convert to fraction form
    12,038.82/16,613.86 = 6,661.26/x
  3. Step 3: Cross multiply
    12,038.82x = 16,613.86 × 6,661.26
  4. Step 4: Simplify right side
    12,038.82x = 110,669,241.06
  5. Step 5: Solve for x
    x = 110,669,241.06/12,038.82
  6. Step 6: Final answer
    x = 9,192.70

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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.