Home / 13,901.44-19,184.06-8,235.88

Finding the Fourth Proportional to 13,901.44, 19,184.06 and 8,235.88

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Solution

The fourth proportional to 13,901.44, 19,184.06 and 8,235.88 is: 11,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.44 : 19,184.06 = 8,235.88 : x
  2. Step 2: Convert to fraction form
    13,901.44/19,184.06 = 8,235.88/x
  3. Step 3: Cross multiply
    13,901.44x = 19,184.06 × 8,235.88
  4. Step 4: Simplify right side
    13,901.44x = 157,997,616.07
  5. Step 5: Solve for x
    x = 157,997,616.07/13,901.44
  6. Step 6: Final answer
    x = 11,365.56

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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.