Home / 20,410.30-30,586.94-11,030.09

Finding the Fourth Proportional to 20,410.30, 30,586.94 and 11,030.09

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Solution

The fourth proportional to 20,410.30, 30,586.94 and 11,030.09 is: 16,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.30 : 30,586.94 = 11,030.09 : x
  2. Step 2: Convert to fraction form
    20,410.30/30,586.94 = 11,030.09/x
  3. Step 3: Cross multiply
    20,410.30x = 30,586.94 × 11,030.09
  4. Step 4: Simplify right side
    20,410.30x = 337,376,722.34
  5. Step 5: Solve for x
    x = 337,376,722.34/20,410.30
  6. Step 6: Final answer
    x = 16,529.73

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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.