Home / 12,255.88-16,916.96-6,954.22

Finding the Fourth Proportional to 12,255.88, 16,916.96 and 6,954.22

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Solution

The fourth proportional to 12,255.88, 16,916.96 and 6,954.22 is: 9,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.88 : 16,916.96 = 6,954.22 : x
  2. Step 2: Convert to fraction form
    12,255.88/16,916.96 = 6,954.22/x
  3. Step 3: Cross multiply
    12,255.88x = 16,916.96 × 6,954.22
  4. Step 4: Simplify right side
    12,255.88x = 117,644,261.57
  5. Step 5: Solve for x
    x = 117,644,261.57/12,255.88
  6. Step 6: Final answer
    x = 9,599.01

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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.