Home / 9,376.88-12,940.44-5,185.04

Finding the Fourth Proportional to 9,376.88, 12,940.44 and 5,185.04

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Solution

The fourth proportional to 9,376.88, 12,940.44 and 5,185.04 is: 7,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.88 : 12,940.44 = 5,185.04 : x
  2. Step 2: Convert to fraction form
    9,376.88/12,940.44 = 5,185.04/x
  3. Step 3: Cross multiply
    9,376.88x = 12,940.44 × 5,185.04
  4. Step 4: Simplify right side
    9,376.88x = 67,096,699.02
  5. Step 5: Solve for x
    x = 67,096,699.02/9,376.88
  6. Step 6: Final answer
    x = 7,155.55

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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.