Home / 21,053.68-29,054.28-11,622.04

Finding the Fourth Proportional to 21,053.68, 29,054.28 and 11,622.04

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Solution

The fourth proportional to 21,053.68, 29,054.28 and 11,622.04 is: 16,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.68 : 29,054.28 = 11,622.04 : x
  2. Step 2: Convert to fraction form
    21,053.68/29,054.28 = 11,622.04/x
  3. Step 3: Cross multiply
    21,053.68x = 29,054.28 × 11,622.04
  4. Step 4: Simplify right side
    21,053.68x = 337,670,004.33
  5. Step 5: Solve for x
    x = 337,670,004.33/21,053.68
  6. Step 6: Final answer
    x = 16,038.53

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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.