Home / 13,778.35-19,021.92-10,542.07

Finding the Fourth Proportional to 13,778.35, 19,021.92 and 10,542.07

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Solution

The fourth proportional to 13,778.35, 19,021.92 and 10,542.07 is: 14,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778.35 : 19,021.92 = 10,542.07 : x
  2. Step 2: Convert to fraction form
    13,778.35/19,021.92 = 10,542.07/x
  3. Step 3: Cross multiply
    13,778.35x = 19,021.92 × 10,542.07
  4. Step 4: Simplify right side
    13,778.35x = 200,530,412.17
  5. Step 5: Solve for x
    x = 200,530,412.17/13,778.35
  6. Step 6: Final answer
    x = 14,554.02

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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.