Home / 9,231.51-13,839-3,386.73

Finding the Fourth Proportional to 9,231.51, 13,839 and 3,386.73

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Solution

The fourth proportional to 9,231.51, 13,839 and 3,386.73 is: 5,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.51 : 13,839 = 3,386.73 : x
  2. Step 2: Convert to fraction form
    9,231.51/13,839 = 3,386.73/x
  3. Step 3: Cross multiply
    9,231.51x = 13,839 × 3,386.73
  4. Step 4: Simplify right side
    9,231.51x = 46,868,956.47
  5. Step 5: Solve for x
    x = 46,868,956.47/9,231.51
  6. Step 6: Final answer
    x = 5,077.06

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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.