Home / 12,973.26-17,865.39-11,270.98

Finding the Fourth Proportional to 12,973.26, 17,865.39 and 11,270.98

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Solution

The fourth proportional to 12,973.26, 17,865.39 and 11,270.98 is: 15,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.26 : 17,865.39 = 11,270.98 : x
  2. Step 2: Convert to fraction form
    12,973.26/17,865.39 = 11,270.98/x
  3. Step 3: Cross multiply
    12,973.26x = 17,865.39 × 11,270.98
  4. Step 4: Simplify right side
    12,973.26x = 201,360,517.98
  5. Step 5: Solve for x
    x = 201,360,517.98/12,973.26
  6. Step 6: Final answer
    x = 15,521.19

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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.