Home / 12,099.07-16,696.26-6,721.79

Finding the Fourth Proportional to 12,099.07, 16,696.26 and 6,721.79

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Solution

The fourth proportional to 12,099.07, 16,696.26 and 6,721.79 is: 9,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.07 : 16,696.26 = 6,721.79 : x
  2. Step 2: Convert to fraction form
    12,099.07/16,696.26 = 6,721.79/x
  3. Step 3: Cross multiply
    12,099.07x = 16,696.26 × 6,721.79
  4. Step 4: Simplify right side
    12,099.07x = 112,228,670.02
  5. Step 5: Solve for x
    x = 112,228,670.02/12,099.07
  6. Step 6: Final answer
    x = 9,275.81

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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.