Home / 20,022.03-30,014.91-9,485.46

Finding the Fourth Proportional to 20,022.03, 30,014.91 and 9,485.46

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Solution

The fourth proportional to 20,022.03, 30,014.91 and 9,485.46 is: 14,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.03 : 30,014.91 = 9,485.46 : x
  2. Step 2: Convert to fraction form
    20,022.03/30,014.91 = 9,485.46/x
  3. Step 3: Cross multiply
    20,022.03x = 30,014.91 × 9,485.46
  4. Step 4: Simplify right side
    20,022.03x = 284,705,228.21
  5. Step 5: Solve for x
    x = 284,705,228.21/20,022.03
  6. Step 6: Final answer
    x = 14,219.60

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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.