Home / 13,733.15-18,919.37-11,327.45

Finding the Fourth Proportional to 13,733.15, 18,919.37 and 11,327.45

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Solution

The fourth proportional to 13,733.15, 18,919.37 and 11,327.45 is: 15,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.15 : 18,919.37 = 11,327.45 : x
  2. Step 2: Convert to fraction form
    13,733.15/18,919.37 = 11,327.45/x
  3. Step 3: Cross multiply
    13,733.15x = 18,919.37 × 11,327.45
  4. Step 4: Simplify right side
    13,733.15x = 214,308,151.43
  5. Step 5: Solve for x
    x = 214,308,151.43/13,733.15
  6. Step 6: Final answer
    x = 15,605.18

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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.