Home / 21,283.48-29,372.12-11,852.04

Finding the Fourth Proportional to 21,283.48, 29,372.12 and 11,852.04

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Solution

The fourth proportional to 21,283.48, 29,372.12 and 11,852.04 is: 16,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.48 : 29,372.12 = 11,852.04 : x
  2. Step 2: Convert to fraction form
    21,283.48/29,372.12 = 11,852.04/x
  3. Step 3: Cross multiply
    21,283.48x = 29,372.12 × 11,852.04
  4. Step 4: Simplify right side
    21,283.48x = 348,119,541.12
  5. Step 5: Solve for x
    x = 348,119,541.12/21,283.48
  6. Step 6: Final answer
    x = 16,356.33

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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.