Home / 13,004.78-19,507.73-10,828.85

Finding the Fourth Proportional to 13,004.78, 19,507.73 and 10,828.85

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Solution

The fourth proportional to 13,004.78, 19,507.73 and 10,828.85 is: 16,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.78 : 19,507.73 = 10,828.85 : x
  2. Step 2: Convert to fraction form
    13,004.78/19,507.73 = 10,828.85/x
  3. Step 3: Cross multiply
    13,004.78x = 19,507.73 × 10,828.85
  4. Step 4: Simplify right side
    13,004.78x = 211,246,130.33
  5. Step 5: Solve for x
    x = 211,246,130.33/13,004.78
  6. Step 6: Final answer
    x = 16,243.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.