Home / 12,371.64-17,072.70-6,706.26

Finding the Fourth Proportional to 12,371.64, 17,072.70 and 6,706.26

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Solution

The fourth proportional to 12,371.64, 17,072.70 and 6,706.26 is: 9,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.64 : 17,072.70 = 6,706.26 : x
  2. Step 2: Convert to fraction form
    12,371.64/17,072.70 = 6,706.26/x
  3. Step 3: Cross multiply
    12,371.64x = 17,072.70 × 6,706.26
  4. Step 4: Simplify right side
    12,371.64x = 114,493,965.10
  5. Step 5: Solve for x
    x = 114,493,965.10/12,371.64
  6. Step 6: Final answer
    x = 9,254.55

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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.