Home / 13,852.92-19,112.52-8,187.84

Finding the Fourth Proportional to 13,852.92, 19,112.52 and 8,187.84

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Solution

The fourth proportional to 13,852.92, 19,112.52 and 8,187.84 is: 11,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.92 : 19,112.52 = 8,187.84 : x
  2. Step 2: Convert to fraction form
    13,852.92/19,112.52 = 8,187.84/x
  3. Step 3: Cross multiply
    13,852.92x = 19,112.52 × 8,187.84
  4. Step 4: Simplify right side
    13,852.92x = 156,490,255.76
  5. Step 5: Solve for x
    x = 156,490,255.76/13,852.92
  6. Step 6: Final answer
    x = 11,296.55

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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.