Home / 13,852.48-19,111.92-8,187.44

Finding the Fourth Proportional to 13,852.48, 19,111.92 and 8,187.44

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Solution

The fourth proportional to 13,852.48, 19,111.92 and 8,187.44 is: 11,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.48 : 19,111.92 = 8,187.44 : x
  2. Step 2: Convert to fraction form
    13,852.48/19,111.92 = 8,187.44/x
  3. Step 3: Cross multiply
    13,852.48x = 19,111.92 × 8,187.44
  4. Step 4: Simplify right side
    13,852.48x = 156,477,698.28
  5. Step 5: Solve for x
    x = 156,477,698.28/13,852.48
  6. Step 6: Final answer
    x = 11,296.01

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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.