Home / 18,749.43-28,073.08-13,194.45

Finding the Fourth Proportional to 18,749.43, 28,073.08 and 13,194.45

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Solution

The fourth proportional to 18,749.43, 28,073.08 and 13,194.45 is: 19,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.43 : 28,073.08 = 13,194.45 : x
  2. Step 2: Convert to fraction form
    18,749.43/28,073.08 = 13,194.45/x
  3. Step 3: Cross multiply
    18,749.43x = 28,073.08 × 13,194.45
  4. Step 4: Simplify right side
    18,749.43x = 370,408,866.90
  5. Step 5: Solve for x
    x = 370,408,866.90/18,749.43
  6. Step 6: Final answer
    x = 19,755.74

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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.