Home / 12,402.09-17,115.06-6,736.94

Finding the Fourth Proportional to 12,402.09, 17,115.06 and 6,736.94

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Solution

The fourth proportional to 12,402.09, 17,115.06 and 6,736.94 is: 9,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.09 : 17,115.06 = 6,736.94 : x
  2. Step 2: Convert to fraction form
    12,402.09/17,115.06 = 6,736.94/x
  3. Step 3: Cross multiply
    12,402.09x = 17,115.06 × 6,736.94
  4. Step 4: Simplify right side
    12,402.09x = 115,303,200.37
  5. Step 5: Solve for x
    x = 115,303,200.37/12,402.09
  6. Step 6: Final answer
    x = 9,297.08

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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.