Home / 21,053.81-29,054.26-11,622.44

Finding the Fourth Proportional to 21,053.81, 29,054.26 and 11,622.44

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Solution

The fourth proportional to 21,053.81, 29,054.26 and 11,622.44 is: 16,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.81 : 29,054.26 = 11,622.44 : x
  2. Step 2: Convert to fraction form
    21,053.81/29,054.26 = 11,622.44/x
  3. Step 3: Cross multiply
    21,053.81x = 29,054.26 × 11,622.44
  4. Step 4: Simplify right side
    21,053.81x = 337,681,480.76
  5. Step 5: Solve for x
    x = 337,681,480.76/21,053.81
  6. Step 6: Final answer
    x = 16,038.97

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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.