Home / 13,798.30-20,582.68-12,469.66

Finding the Fourth Proportional to 13,798.30, 20,582.68 and 12,469.66

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Solution

The fourth proportional to 13,798.30, 20,582.68 and 12,469.66 is: 18,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.30 : 20,582.68 = 12,469.66 : x
  2. Step 2: Convert to fraction form
    13,798.30/20,582.68 = 12,469.66/x
  3. Step 3: Cross multiply
    13,798.30x = 20,582.68 × 12,469.66
  4. Step 4: Simplify right side
    13,798.30x = 256,659,021.49
  5. Step 5: Solve for x
    x = 256,659,021.49/13,798.30
  6. Step 6: Final answer
    x = 18,600.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.