Home / 20,018.35-29,999.58-9,484.30

Finding the Fourth Proportional to 20,018.35, 29,999.58 and 9,484.30

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Solution

The fourth proportional to 20,018.35, 29,999.58 and 9,484.30 is: 14,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.35 : 29,999.58 = 9,484.30 : x
  2. Step 2: Convert to fraction form
    20,018.35/29,999.58 = 9,484.30/x
  3. Step 3: Cross multiply
    20,018.35x = 29,999.58 × 9,484.30
  4. Step 4: Simplify right side
    20,018.35x = 284,525,016.59
  5. Step 5: Solve for x
    x = 284,525,016.59/20,018.35
  6. Step 6: Final answer
    x = 14,213.21

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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.