Home / 7,147.14-10,634.21-6,968.58

Finding the Fourth Proportional to 7,147.14, 10,634.21 and 6,968.58

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Solution

The fourth proportional to 7,147.14, 10,634.21 and 6,968.58 is: 10,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.14 : 10,634.21 = 6,968.58 : x
  2. Step 2: Convert to fraction form
    7,147.14/10,634.21 = 6,968.58/x
  3. Step 3: Cross multiply
    7,147.14x = 10,634.21 × 6,968.58
  4. Step 4: Simplify right side
    7,147.14x = 74,105,308.28
  5. Step 5: Solve for x
    x = 74,105,308.28/7,147.14
  6. Step 6: Final answer
    x = 10,368.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.