Home / 15,004.44-20,704.76-8,289.93

Finding the Fourth Proportional to 15,004.44, 20,704.76 and 8,289.93

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Solution

The fourth proportional to 15,004.44, 20,704.76 and 8,289.93 is: 11,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.44 : 20,704.76 = 8,289.93 : x
  2. Step 2: Convert to fraction form
    15,004.44/20,704.76 = 8,289.93/x
  3. Step 3: Cross multiply
    15,004.44x = 20,704.76 × 8,289.93
  4. Step 4: Simplify right side
    15,004.44x = 171,640,969.62
  5. Step 5: Solve for x
    x = 171,640,969.62/15,004.44
  6. Step 6: Final answer
    x = 11,439.35

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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.