Home / 21,662.73-29,877.57-14,111.43

Finding the Fourth Proportional to 21,662.73, 29,877.57 and 14,111.43

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Solution

The fourth proportional to 21,662.73, 29,877.57 and 14,111.43 is: 19,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.73 : 29,877.57 = 14,111.43 : x
  2. Step 2: Convert to fraction form
    21,662.73/29,877.57 = 14,111.43/x
  3. Step 3: Cross multiply
    21,662.73x = 29,877.57 × 14,111.43
  4. Step 4: Simplify right side
    21,662.73x = 421,615,237.63
  5. Step 5: Solve for x
    x = 421,615,237.63/21,662.73
  6. Step 6: Final answer
    x = 19,462.70

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1.5x scale

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.