Home / 13,276.80-18,327.33-9,694.98

Finding the Fourth Proportional to 13,276.80, 18,327.33 and 9,694.98

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Solution

The fourth proportional to 13,276.80, 18,327.33 and 9,694.98 is: 13,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.80 : 18,327.33 = 9,694.98 : x
  2. Step 2: Convert to fraction form
    13,276.80/18,327.33 = 9,694.98/x
  3. Step 3: Cross multiply
    13,276.80x = 18,327.33 × 9,694.98
  4. Step 4: Simplify right side
    13,276.80x = 177,683,097.80
  5. Step 5: Solve for x
    x = 177,683,097.80/13,276.80
  6. Step 6: Final answer
    x = 13,382.98

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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.