Home / 14,828.50-20,462.44-8,112.79

Finding the Fourth Proportional to 14,828.50, 20,462.44 and 8,112.79

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Solution

The fourth proportional to 14,828.50, 20,462.44 and 8,112.79 is: 11,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.50 : 20,462.44 = 8,112.79 : x
  2. Step 2: Convert to fraction form
    14,828.50/20,462.44 = 8,112.79/x
  3. Step 3: Cross multiply
    14,828.50x = 20,462.44 × 8,112.79
  4. Step 4: Simplify right side
    14,828.50x = 166,007,478.61
  5. Step 5: Solve for x
    x = 166,007,478.61/14,828.50
  6. Step 6: Final answer
    x = 11,195.16

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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.