Home / 20,165.10-30,253.73-14,333.10

Finding the Fourth Proportional to 20,165.10, 30,253.73 and 14,333.10

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Solution

The fourth proportional to 20,165.10, 30,253.73 and 14,333.10 is: 21,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.10 : 30,253.73 = 14,333.10 : x
  2. Step 2: Convert to fraction form
    20,165.10/30,253.73 = 14,333.10/x
  3. Step 3: Cross multiply
    20,165.10x = 30,253.73 × 14,333.10
  4. Step 4: Simplify right side
    20,165.10x = 433,629,737.46
  5. Step 5: Solve for x
    x = 433,629,737.46/20,165.10
  6. Step 6: Final answer
    x = 21,503.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.