Home / 12,261.26-16,920.03-6,955.97

Finding the Fourth Proportional to 12,261.26, 16,920.03 and 6,955.97

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Solution

The fourth proportional to 12,261.26, 16,920.03 and 6,955.97 is: 9,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.26 : 16,920.03 = 6,955.97 : x
  2. Step 2: Convert to fraction form
    12,261.26/16,920.03 = 6,955.97/x
  3. Step 3: Cross multiply
    12,261.26x = 16,920.03 × 6,955.97
  4. Step 4: Simplify right side
    12,261.26x = 117,695,136.48
  5. Step 5: Solve for x
    x = 117,695,136.48/12,261.26
  6. Step 6: Final answer
    x = 9,598.95

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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.