Home / 9,491.06-13,098.36-6,984.65

Finding the Fourth Proportional to 9,491.06, 13,098.36 and 6,984.65

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Solution

The fourth proportional to 9,491.06, 13,098.36 and 6,984.65 is: 9,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.06 : 13,098.36 = 6,984.65 : x
  2. Step 2: Convert to fraction form
    9,491.06/13,098.36 = 6,984.65/x
  3. Step 3: Cross multiply
    9,491.06x = 13,098.36 × 6,984.65
  4. Step 4: Simplify right side
    9,491.06x = 91,487,394.68
  5. Step 5: Solve for x
    x = 91,487,394.68/9,491.06
  6. Step 6: Final answer
    x = 9,639.33

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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.