Home / 18,795.60-28,193.85-6,316.05

Finding the Fourth Proportional to 18,795.60, 28,193.85 and 6,316.05

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Solution

The fourth proportional to 18,795.60, 28,193.85 and 6,316.05 is: 9,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.60 : 28,193.85 = 6,316.05 : x
  2. Step 2: Convert to fraction form
    18,795.60/28,193.85 = 6,316.05/x
  3. Step 3: Cross multiply
    18,795.60x = 28,193.85 × 6,316.05
  4. Step 4: Simplify right side
    18,795.60x = 178,073,766.29
  5. Step 5: Solve for x
    x = 178,073,766.29/18,795.60
  6. Step 6: Final answer
    x = 9,474.23

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1.5x scale

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.