Home / 12,546.63-17,308.69-8,068.75

Finding the Fourth Proportional to 12,546.63, 17,308.69 and 8,068.75

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Solution

The fourth proportional to 12,546.63, 17,308.69 and 8,068.75 is: 11,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.63 : 17,308.69 = 8,068.75 : x
  2. Step 2: Convert to fraction form
    12,546.63/17,308.69 = 8,068.75/x
  3. Step 3: Cross multiply
    12,546.63x = 17,308.69 × 8,068.75
  4. Step 4: Simplify right side
    12,546.63x = 139,659,428.99
  5. Step 5: Solve for x
    x = 139,659,428.99/12,546.63
  6. Step 6: Final answer
    x = 11,131.23

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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.