Home / 11,507.46-17,264.83-4,111.75

Finding the Fourth Proportional to 11,507.46, 17,264.83 and 4,111.75

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Solution

The fourth proportional to 11,507.46, 17,264.83 and 4,111.75 is: 6,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.46 : 17,264.83 = 4,111.75 : x
  2. Step 2: Convert to fraction form
    11,507.46/17,264.83 = 4,111.75/x
  3. Step 3: Cross multiply
    11,507.46x = 17,264.83 × 4,111.75
  4. Step 4: Simplify right side
    11,507.46x = 70,988,664.75
  5. Step 5: Solve for x
    x = 70,988,664.75/11,507.46
  6. Step 6: Final answer
    x = 6,168.93

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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.