Home / 14,821.23-20,453.33-8,106.84

Finding the Fourth Proportional to 14,821.23, 20,453.33 and 8,106.84

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Solution

The fourth proportional to 14,821.23, 20,453.33 and 8,106.84 is: 11,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.23 : 20,453.33 = 8,106.84 : x
  2. Step 2: Convert to fraction form
    14,821.23/20,453.33 = 8,106.84/x
  3. Step 3: Cross multiply
    14,821.23x = 20,453.33 × 8,106.84
  4. Step 4: Simplify right side
    14,821.23x = 165,811,833.24
  5. Step 5: Solve for x
    x = 165,811,833.24/14,821.23
  6. Step 6: Final answer
    x = 11,187.45

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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.