Home / 14,771.24-20,391.83-11,406.50

Finding the Fourth Proportional to 14,771.24, 20,391.83 and 11,406.50

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Solution

The fourth proportional to 14,771.24, 20,391.83 and 11,406.50 is: 15,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.24 : 20,391.83 = 11,406.50 : x
  2. Step 2: Convert to fraction form
    14,771.24/20,391.83 = 11,406.50/x
  3. Step 3: Cross multiply
    14,771.24x = 20,391.83 × 11,406.50
  4. Step 4: Simplify right side
    14,771.24x = 232,599,433.31
  5. Step 5: Solve for x
    x = 232,599,433.31/14,771.24
  6. Step 6: Final answer
    x = 15,746.78

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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.