Home / 11,947.80-16,497.90-10,392.60

Finding the Fourth Proportional to 11,947.80, 16,497.90 and 10,392.60

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Solution

The fourth proportional to 11,947.80, 16,497.90 and 10,392.60 is: 14,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.80 : 16,497.90 = 10,392.60 : x
  2. Step 2: Convert to fraction form
    11,947.80/16,497.90 = 10,392.60/x
  3. Step 3: Cross multiply
    11,947.80x = 16,497.90 × 10,392.60
  4. Step 4: Simplify right side
    11,947.80x = 171,456,075.54
  5. Step 5: Solve for x
    x = 171,456,075.54/11,947.80
  6. Step 6: Final answer
    x = 14,350.43

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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.