Home / 14,751.24-20,358.36-8,782.92

Finding the Fourth Proportional to 14,751.24, 20,358.36 and 8,782.92

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Solution

The fourth proportional to 14,751.24, 20,358.36 and 8,782.92 is: 12,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.24 : 20,358.36 = 8,782.92 : x
  2. Step 2: Convert to fraction form
    14,751.24/20,358.36 = 8,782.92/x
  3. Step 3: Cross multiply
    14,751.24x = 20,358.36 × 8,782.92
  4. Step 4: Simplify right side
    14,751.24x = 178,805,847.21
  5. Step 5: Solve for x
    x = 178,805,847.21/14,751.24
  6. Step 6: Final answer
    x = 12,121.41

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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.