Home / 21,864.06-32,820.37-11,331.26

Finding the Fourth Proportional to 21,864.06, 32,820.37 and 11,331.26

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Solution

The fourth proportional to 21,864.06, 32,820.37 and 11,331.26 is: 17,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.06 : 32,820.37 = 11,331.26 : x
  2. Step 2: Convert to fraction form
    21,864.06/32,820.37 = 11,331.26/x
  3. Step 3: Cross multiply
    21,864.06x = 32,820.37 × 11,331.26
  4. Step 4: Simplify right side
    21,864.06x = 371,896,145.77
  5. Step 5: Solve for x
    x = 371,896,145.77/21,864.06
  6. Step 6: Final answer
    x = 17,009.47

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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.