Home / 13,902.44-19,185.75-8,451.50

Finding the Fourth Proportional to 13,902.44, 19,185.75 and 8,451.50

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Solution

The fourth proportional to 13,902.44, 19,185.75 and 8,451.50 is: 11,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.44 : 19,185.75 = 8,451.50 : x
  2. Step 2: Convert to fraction form
    13,902.44/19,185.75 = 8,451.50/x
  3. Step 3: Cross multiply
    13,902.44x = 19,185.75 × 8,451.50
  4. Step 4: Simplify right side
    13,902.44x = 162,148,270.20
  5. Step 5: Solve for x
    x = 162,148,270.20/13,902.44
  6. Step 6: Final answer
    x = 11,663.30

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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.