Home / 19,487.54-26,893.41-11,103.50

Finding the Fourth Proportional to 19,487.54, 26,893.41 and 11,103.50

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Solution

The fourth proportional to 19,487.54, 26,893.41 and 11,103.50 is: 15,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.54 : 26,893.41 = 11,103.50 : x
  2. Step 2: Convert to fraction form
    19,487.54/26,893.41 = 11,103.50/x
  3. Step 3: Cross multiply
    19,487.54x = 26,893.41 × 11,103.50
  4. Step 4: Simplify right side
    19,487.54x = 298,610,977.94
  5. Step 5: Solve for x
    x = 298,610,977.94/19,487.54
  6. Step 6: Final answer
    x = 15,323.17

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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.