Home / 11,148.81-16,723.46-4,485.98

Finding the Fourth Proportional to 11,148.81, 16,723.46 and 4,485.98

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Solution

The fourth proportional to 11,148.81, 16,723.46 and 4,485.98 is: 6,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.81 : 16,723.46 = 4,485.98 : x
  2. Step 2: Convert to fraction form
    11,148.81/16,723.46 = 4,485.98/x
  3. Step 3: Cross multiply
    11,148.81x = 16,723.46 × 4,485.98
  4. Step 4: Simplify right side
    11,148.81x = 75,021,160.11
  5. Step 5: Solve for x
    x = 75,021,160.11/11,148.81
  6. Step 6: Final answer
    x = 6,729.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.