Home / 11,512.40-17,268.42-5,664.74

Finding the Fourth Proportional to 11,512.40, 17,268.42 and 5,664.74

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Solution

The fourth proportional to 11,512.40, 17,268.42 and 5,664.74 is: 8,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.40 : 17,268.42 = 5,664.74 : x
  2. Step 2: Convert to fraction form
    11,512.40/17,268.42 = 5,664.74/x
  3. Step 3: Cross multiply
    11,512.40x = 17,268.42 × 5,664.74
  4. Step 4: Simplify right side
    11,512.40x = 97,821,109.51
  5. Step 5: Solve for x
    x = 97,821,109.51/11,512.40
  6. Step 6: Final answer
    x = 8,497.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.