Home / 21,998.10-30,333.31-16,343.34

Finding the Fourth Proportional to 21,998.10, 30,333.31 and 16,343.34

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Solution

The fourth proportional to 21,998.10, 30,333.31 and 16,343.34 is: 22,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.10 : 30,333.31 = 16,343.34 : x
  2. Step 2: Convert to fraction form
    21,998.10/30,333.31 = 16,343.34/x
  3. Step 3: Cross multiply
    21,998.10x = 30,333.31 × 16,343.34
  4. Step 4: Simplify right side
    21,998.10x = 495,747,598.66
  5. Step 5: Solve for x
    x = 495,747,598.66/21,998.10
  6. Step 6: Final answer
    x = 22,535.93

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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.