Home / 14,586.86-20,128.83-11,450.54

Finding the Fourth Proportional to 14,586.86, 20,128.83 and 11,450.54

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Solution

The fourth proportional to 14,586.86, 20,128.83 and 11,450.54 is: 15,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.86 : 20,128.83 = 11,450.54 : x
  2. Step 2: Convert to fraction form
    14,586.86/20,128.83 = 11,450.54/x
  3. Step 3: Cross multiply
    14,586.86x = 20,128.83 × 11,450.54
  4. Step 4: Simplify right side
    14,586.86x = 230,485,973.07
  5. Step 5: Solve for x
    x = 230,485,973.07/14,586.86
  6. Step 6: Final answer
    x = 15,800.93

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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.