Home / 12,813.44-17,681.67-7,436.03

Finding the Fourth Proportional to 12,813.44, 17,681.67 and 7,436.03

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Solution

The fourth proportional to 12,813.44, 17,681.67 and 7,436.03 is: 10,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.44 : 17,681.67 = 7,436.03 : x
  2. Step 2: Convert to fraction form
    12,813.44/17,681.67 = 7,436.03/x
  3. Step 3: Cross multiply
    12,813.44x = 17,681.67 × 7,436.03
  4. Step 4: Simplify right side
    12,813.44x = 131,481,340.16
  5. Step 5: Solve for x
    x = 131,481,340.16/12,813.44
  6. Step 6: Final answer
    x = 10,261.21

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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.