Home / 21,945.27-32,910.60-9,457.50

Finding the Fourth Proportional to 21,945.27, 32,910.60 and 9,457.50

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Solution

The fourth proportional to 21,945.27, 32,910.60 and 9,457.50 is: 14,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.27 : 32,910.60 = 9,457.50 : x
  2. Step 2: Convert to fraction form
    21,945.27/32,910.60 = 9,457.50/x
  3. Step 3: Cross multiply
    21,945.27x = 32,910.60 × 9,457.50
  4. Step 4: Simplify right side
    21,945.27x = 311,251,999.50
  5. Step 5: Solve for x
    x = 311,251,999.50/21,945.27
  6. Step 6: Final answer
    x = 14,183.10

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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.