Home / 21,641.36-32,466.24-8,313.38

Finding the Fourth Proportional to 21,641.36, 32,466.24 and 8,313.38

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Solution

The fourth proportional to 21,641.36, 32,466.24 and 8,313.38 is: 12,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.36 : 32,466.24 = 8,313.38 : x
  2. Step 2: Convert to fraction form
    21,641.36/32,466.24 = 8,313.38/x
  3. Step 3: Cross multiply
    21,641.36x = 32,466.24 × 8,313.38
  4. Step 4: Simplify right side
    21,641.36x = 269,904,027.96
  5. Step 5: Solve for x
    x = 269,904,027.96/21,641.36
  6. Step 6: Final answer
    x = 12,471.68

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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.