Home / 21,845.57-32,741.01-9,351.05

Finding the Fourth Proportional to 21,845.57, 32,741.01 and 9,351.05

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Solution

The fourth proportional to 21,845.57, 32,741.01 and 9,351.05 is: 14,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.57 : 32,741.01 = 9,351.05 : x
  2. Step 2: Convert to fraction form
    21,845.57/32,741.01 = 9,351.05/x
  3. Step 3: Cross multiply
    21,845.57x = 32,741.01 × 9,351.05
  4. Step 4: Simplify right side
    21,845.57x = 306,162,657.86
  5. Step 5: Solve for x
    x = 306,162,657.86/21,845.57
  6. Step 6: Final answer
    x = 14,014.87

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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.