Home / 10,728.81-16,093.20-2,938.23

Finding the Fourth Proportional to 10,728.81, 16,093.20 and 2,938.23

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Solution

The fourth proportional to 10,728.81, 16,093.20 and 2,938.23 is: 4,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.81 : 16,093.20 = 2,938.23 : x
  2. Step 2: Convert to fraction form
    10,728.81/16,093.20 = 2,938.23/x
  3. Step 3: Cross multiply
    10,728.81x = 16,093.20 × 2,938.23
  4. Step 4: Simplify right side
    10,728.81x = 47,285,523.04
  5. Step 5: Solve for x
    x = 47,285,523.04/10,728.81
  6. Step 6: Final answer
    x = 4,407.34

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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.