Home / 9,148.84-13,690.44-7,683.54

Finding the Fourth Proportional to 9,148.84, 13,690.44 and 7,683.54

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Solution

The fourth proportional to 9,148.84, 13,690.44 and 7,683.54 is: 11,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.84 : 13,690.44 = 7,683.54 : x
  2. Step 2: Convert to fraction form
    9,148.84/13,690.44 = 7,683.54/x
  3. Step 3: Cross multiply
    9,148.84x = 13,690.44 × 7,683.54
  4. Step 4: Simplify right side
    9,148.84x = 105,191,043.36
  5. Step 5: Solve for x
    x = 105,191,043.36/9,148.84
  6. Step 6: Final answer
    x = 11,497.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.