Home / 18,811.07-28,217.76-6,330.05

Finding the Fourth Proportional to 18,811.07, 28,217.76 and 6,330.05

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Solution

The fourth proportional to 18,811.07, 28,217.76 and 6,330.05 is: 9,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.07 : 28,217.76 = 6,330.05 : x
  2. Step 2: Convert to fraction form
    18,811.07/28,217.76 = 6,330.05/x
  3. Step 3: Cross multiply
    18,811.07x = 28,217.76 × 6,330.05
  4. Step 4: Simplify right side
    18,811.07x = 178,619,690.60
  5. Step 5: Solve for x
    x = 178,619,690.60/18,811.07
  6. Step 6: Final answer
    x = 9,495.46

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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.