Home / 21,768.34-29,998.20-14,682.46

Finding the Fourth Proportional to 21,768.34, 29,998.20 and 14,682.46

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Solution

The fourth proportional to 21,768.34, 29,998.20 and 14,682.46 is: 20,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.34 : 29,998.20 = 14,682.46 : x
  2. Step 2: Convert to fraction form
    21,768.34/29,998.20 = 14,682.46/x
  3. Step 3: Cross multiply
    21,768.34x = 29,998.20 × 14,682.46
  4. Step 4: Simplify right side
    21,768.34x = 440,447,371.57
  5. Step 5: Solve for x
    x = 440,447,371.57/21,768.34
  6. Step 6: Final answer
    x = 20,233.39

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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.