Home / 9,357.44-12,918.14-6,836.72

Finding the Fourth Proportional to 9,357.44, 12,918.14 and 6,836.72

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Solution

The fourth proportional to 9,357.44, 12,918.14 and 6,836.72 is: 9,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.44 : 12,918.14 = 6,836.72 : x
  2. Step 2: Convert to fraction form
    9,357.44/12,918.14 = 6,836.72/x
  3. Step 3: Cross multiply
    9,357.44x = 12,918.14 × 6,836.72
  4. Step 4: Simplify right side
    9,357.44x = 88,317,706.10
  5. Step 5: Solve for x
    x = 88,317,706.10/9,357.44
  6. Step 6: Final answer
    x = 9,438.23

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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.