Home / 12,012.89-16,577.09-6,708.05

Finding the Fourth Proportional to 12,012.89, 16,577.09 and 6,708.05

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Solution

The fourth proportional to 12,012.89, 16,577.09 and 6,708.05 is: 9,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.89 : 16,577.09 = 6,708.05 : x
  2. Step 2: Convert to fraction form
    12,012.89/16,577.09 = 6,708.05/x
  3. Step 3: Cross multiply
    12,012.89x = 16,577.09 × 6,708.05
  4. Step 4: Simplify right side
    12,012.89x = 111,199,832.15
  5. Step 5: Solve for x
    x = 111,199,832.15/12,012.89
  6. Step 6: Final answer
    x = 9,256.71

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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.