Home / 15,185.54-22,770.42-6,861.58

Finding the Fourth Proportional to 15,185.54, 22,770.42 and 6,861.58

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Solution

The fourth proportional to 15,185.54, 22,770.42 and 6,861.58 is: 10,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.54 : 22,770.42 = 6,861.58 : x
  2. Step 2: Convert to fraction form
    15,185.54/22,770.42 = 6,861.58/x
  3. Step 3: Cross multiply
    15,185.54x = 22,770.42 × 6,861.58
  4. Step 4: Simplify right side
    15,185.54x = 156,240,975.81
  5. Step 5: Solve for x
    x = 156,240,975.81/15,185.54
  6. Step 6: Final answer
    x = 10,288.80

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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.