Home / 13,261.94-19,971.88-11,551.22

Finding the Fourth Proportional to 13,261.94, 19,971.88 and 11,551.22

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Solution

The fourth proportional to 13,261.94, 19,971.88 and 11,551.22 is: 17,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.94 : 19,971.88 = 11,551.22 : x
  2. Step 2: Convert to fraction form
    13,261.94/19,971.88 = 11,551.22/x
  3. Step 3: Cross multiply
    13,261.94x = 19,971.88 × 11,551.22
  4. Step 4: Simplify right side
    13,261.94x = 230,699,521.94
  5. Step 5: Solve for x
    x = 230,699,521.94/13,261.94
  6. Step 6: Final answer
    x = 17,395.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.