Home / 13,954.98-19,255.41-7,985.33

Finding the Fourth Proportional to 13,954.98, 19,255.41 and 7,985.33

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Solution

The fourth proportional to 13,954.98, 19,255.41 and 7,985.33 is: 11,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.98 : 19,255.41 = 7,985.33 : x
  2. Step 2: Convert to fraction form
    13,954.98/19,255.41 = 7,985.33/x
  3. Step 3: Cross multiply
    13,954.98x = 19,255.41 × 7,985.33
  4. Step 4: Simplify right side
    13,954.98x = 153,760,706.86
  5. Step 5: Solve for x
    x = 153,760,706.86/13,954.98
  6. Step 6: Final answer
    x = 11,018.34

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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.