Home / 21,167.73-31,730.94-10,071.44

Finding the Fourth Proportional to 21,167.73, 31,730.94 and 10,071.44

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Solution

The fourth proportional to 21,167.73, 31,730.94 and 10,071.44 is: 15,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.73 : 31,730.94 = 10,071.44 : x
  2. Step 2: Convert to fraction form
    21,167.73/31,730.94 = 10,071.44/x
  3. Step 3: Cross multiply
    21,167.73x = 31,730.94 × 10,071.44
  4. Step 4: Simplify right side
    21,167.73x = 319,576,218.69
  5. Step 5: Solve for x
    x = 319,576,218.69/21,167.73
  6. Step 6: Final answer
    x = 15,097.33

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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.