Home / 19,973.81-27,562.69-11,021.29

Finding the Fourth Proportional to 19,973.81, 27,562.69 and 11,021.29

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Solution

The fourth proportional to 19,973.81, 27,562.69 and 11,021.29 is: 15,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.81 : 27,562.69 = 11,021.29 : x
  2. Step 2: Convert to fraction form
    19,973.81/27,562.69 = 11,021.29/x
  3. Step 3: Cross multiply
    19,973.81x = 27,562.69 × 11,021.29
  4. Step 4: Simplify right side
    19,973.81x = 303,776,298.04
  5. Step 5: Solve for x
    x = 303,776,298.04/19,973.81
  6. Step 6: Final answer
    x = 15,208.73

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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.