Home / 21,331.08-32,001.36-8,183.46

Finding the Fourth Proportional to 21,331.08, 32,001.36 and 8,183.46

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Solution

The fourth proportional to 21,331.08, 32,001.36 and 8,183.46 is: 12,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.08 : 32,001.36 = 8,183.46 : x
  2. Step 2: Convert to fraction form
    21,331.08/32,001.36 = 8,183.46/x
  3. Step 3: Cross multiply
    21,331.08x = 32,001.36 × 8,183.46
  4. Step 4: Simplify right side
    21,331.08x = 261,881,849.51
  5. Step 5: Solve for x
    x = 261,881,849.51/21,331.08
  6. Step 6: Final answer
    x = 12,277.01

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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.