Home / 19,930.06-27,502.47-10,977.37

Finding the Fourth Proportional to 19,930.06, 27,502.47 and 10,977.37

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Solution

The fourth proportional to 19,930.06, 27,502.47 and 10,977.37 is: 15,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.06 : 27,502.47 = 10,977.37 : x
  2. Step 2: Convert to fraction form
    19,930.06/27,502.47 = 10,977.37/x
  3. Step 3: Cross multiply
    19,930.06x = 27,502.47 × 10,977.37
  4. Step 4: Simplify right side
    19,930.06x = 301,904,921.36
  5. Step 5: Solve for x
    x = 301,904,921.36/19,930.06
  6. Step 6: Final answer
    x = 15,148.22

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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.