Home / 12,943.39-19,386.62-10,696.76

Finding the Fourth Proportional to 12,943.39, 19,386.62 and 10,696.76

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Solution

The fourth proportional to 12,943.39, 19,386.62 and 10,696.76 is: 16,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.39 : 19,386.62 = 10,696.76 : x
  2. Step 2: Convert to fraction form
    12,943.39/19,386.62 = 10,696.76/x
  3. Step 3: Cross multiply
    12,943.39x = 19,386.62 × 10,696.76
  4. Step 4: Simplify right side
    12,943.39x = 207,373,924.42
  5. Step 5: Solve for x
    x = 207,373,924.42/12,943.39
  6. Step 6: Final answer
    x = 16,021.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.