Home / 12,239.44-16,890.77-6,934.25

Finding the Fourth Proportional to 12,239.44, 16,890.77 and 6,934.25

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Solution

The fourth proportional to 12,239.44, 16,890.77 and 6,934.25 is: 9,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.44 : 16,890.77 = 6,934.25 : x
  2. Step 2: Convert to fraction form
    12,239.44/16,890.77 = 6,934.25/x
  3. Step 3: Cross multiply
    12,239.44x = 16,890.77 × 6,934.25
  4. Step 4: Simplify right side
    12,239.44x = 117,124,881.44
  5. Step 5: Solve for x
    x = 117,124,881.44/12,239.44
  6. Step 6: Final answer
    x = 9,569.47

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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.