Home / 12,242.09-16,784.06-12,020.66

Finding the Fourth Proportional to 12,242.09, 16,784.06 and 12,020.66

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Solution

The fourth proportional to 12,242.09, 16,784.06 and 12,020.66 is: 16,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.09 : 16,784.06 = 12,020.66 : x
  2. Step 2: Convert to fraction form
    12,242.09/16,784.06 = 12,020.66/x
  3. Step 3: Cross multiply
    12,242.09x = 16,784.06 × 12,020.66
  4. Step 4: Simplify right side
    12,242.09x = 201,755,478.68
  5. Step 5: Solve for x
    x = 201,755,478.68/12,242.09
  6. Step 6: Final answer
    x = 16,480.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.