Home / 12,546.63-17,309.84-8,775.81

Finding the Fourth Proportional to 12,546.63, 17,309.84 and 8,775.81

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Solution

The fourth proportional to 12,546.63, 17,309.84 and 8,775.81 is: 12,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.63 : 17,309.84 = 8,775.81 : x
  2. Step 2: Convert to fraction form
    12,546.63/17,309.84 = 8,775.81/x
  3. Step 3: Cross multiply
    12,546.63x = 17,309.84 × 8,775.81
  4. Step 4: Simplify right side
    12,546.63x = 151,907,823.09
  5. Step 5: Solve for x
    x = 151,907,823.09/12,546.63
  6. Step 6: Final answer
    x = 12,107.46

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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.