Home / 11,812.34-17,706.36-4,015.28

Finding the Fourth Proportional to 11,812.34, 17,706.36 and 4,015.28

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Solution

The fourth proportional to 11,812.34, 17,706.36 and 4,015.28 is: 6,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.34 : 17,706.36 = 4,015.28 : x
  2. Step 2: Convert to fraction form
    11,812.34/17,706.36 = 4,015.28/x
  3. Step 3: Cross multiply
    11,812.34x = 17,706.36 × 4,015.28
  4. Step 4: Simplify right side
    11,812.34x = 71,095,993.18
  5. Step 5: Solve for x
    x = 71,095,993.18/11,812.34
  6. Step 6: Final answer
    x = 6,018.79

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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.