Home / 14,728.28-20,324.42-8,013.94

Finding the Fourth Proportional to 14,728.28, 20,324.42 and 8,013.94

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Solution

The fourth proportional to 14,728.28, 20,324.42 and 8,013.94 is: 11,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.28 : 20,324.42 = 8,013.94 : x
  2. Step 2: Convert to fraction form
    14,728.28/20,324.42 = 8,013.94/x
  3. Step 3: Cross multiply
    14,728.28x = 20,324.42 × 8,013.94
  4. Step 4: Simplify right side
    14,728.28x = 162,878,540.72
  5. Step 5: Solve for x
    x = 162,878,540.72/14,728.28
  6. Step 6: Final answer
    x = 11,058.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.