Home / 9,376.88-12,940.02-5,127.96

Finding the Fourth Proportional to 9,376.88, 12,940.02 and 5,127.96

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Solution

The fourth proportional to 9,376.88, 12,940.02 and 5,127.96 is: 7,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.88 : 12,940.02 = 5,127.96 : x
  2. Step 2: Convert to fraction form
    9,376.88/12,940.02 = 5,127.96/x
  3. Step 3: Cross multiply
    9,376.88x = 12,940.02 × 5,127.96
  4. Step 4: Simplify right side
    9,376.88x = 66,355,904.96
  5. Step 5: Solve for x
    x = 66,355,904.96/9,376.88
  6. Step 6: Final answer
    x = 7,076.54

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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.