Home / 12,280.47-16,947.09-6,975.33

Finding the Fourth Proportional to 12,280.47, 16,947.09 and 6,975.33

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Solution

The fourth proportional to 12,280.47, 16,947.09 and 6,975.33 is: 9,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.47 : 16,947.09 = 6,975.33 : x
  2. Step 2: Convert to fraction form
    12,280.47/16,947.09 = 6,975.33/x
  3. Step 3: Cross multiply
    12,280.47x = 16,947.09 × 6,975.33
  4. Step 4: Simplify right side
    12,280.47x = 118,211,545.29
  5. Step 5: Solve for x
    x = 118,211,545.29/12,280.47
  6. Step 6: Final answer
    x = 9,625.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.