Home / 9,478.44-13,081.59-6,834.60

Finding the Fourth Proportional to 9,478.44, 13,081.59 and 6,834.60

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Solution

The fourth proportional to 9,478.44, 13,081.59 and 6,834.60 is: 9,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.44 : 13,081.59 = 6,834.60 : x
  2. Step 2: Convert to fraction form
    9,478.44/13,081.59 = 6,834.60/x
  3. Step 3: Cross multiply
    9,478.44x = 13,081.59 × 6,834.60
  4. Step 4: Simplify right side
    9,478.44x = 89,407,435.01
  5. Step 5: Solve for x
    x = 89,407,435.01/9,478.44
  6. Step 6: Final answer
    x = 9,432.72

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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.