Home / 10,928.56-15,081.42-6,212.86

Finding the Fourth Proportional to 10,928.56, 15,081.42 and 6,212.86

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Solution

The fourth proportional to 10,928.56, 15,081.42 and 6,212.86 is: 8,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.56 : 15,081.42 = 6,212.86 : x
  2. Step 2: Convert to fraction form
    10,928.56/15,081.42 = 6,212.86/x
  3. Step 3: Cross multiply
    10,928.56x = 15,081.42 × 6,212.86
  4. Step 4: Simplify right side
    10,928.56x = 93,698,751.06
  5. Step 5: Solve for x
    x = 93,698,751.06/10,928.56
  6. Step 6: Final answer
    x = 8,573.75

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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.