Home / 16,403.85-22,650.21-13,206.99

Finding the Fourth Proportional to 16,403.85, 22,650.21 and 13,206.99

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Solution

The fourth proportional to 16,403.85, 22,650.21 and 13,206.99 is: 18,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.85 : 22,650.21 = 13,206.99 : x
  2. Step 2: Convert to fraction form
    16,403.85/22,650.21 = 13,206.99/x
  3. Step 3: Cross multiply
    16,403.85x = 22,650.21 × 13,206.99
  4. Step 4: Simplify right side
    16,403.85x = 299,141,096.97
  5. Step 5: Solve for x
    x = 299,141,096.97/16,403.85
  6. Step 6: Final answer
    x = 18,236.03

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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.