Home / 19,760.82-27,271.08-11,265.54

Finding the Fourth Proportional to 19,760.82, 27,271.08 and 11,265.54

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Solution

The fourth proportional to 19,760.82, 27,271.08 and 11,265.54 is: 15,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.82 : 27,271.08 = 11,265.54 : x
  2. Step 2: Convert to fraction form
    19,760.82/27,271.08 = 11,265.54/x
  3. Step 3: Cross multiply
    19,760.82x = 27,271.08 × 11,265.54
  4. Step 4: Simplify right side
    19,760.82x = 307,223,442.58
  5. Step 5: Solve for x
    x = 307,223,442.58/19,760.82
  6. Step 6: Final answer
    x = 15,547.10

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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.