Home / 13,733.39-18,945.70-8,066.30

Finding the Fourth Proportional to 13,733.39, 18,945.70 and 8,066.30

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Solution

The fourth proportional to 13,733.39, 18,945.70 and 8,066.30 is: 11,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.39 : 18,945.70 = 8,066.30 : x
  2. Step 2: Convert to fraction form
    13,733.39/18,945.70 = 8,066.30/x
  3. Step 3: Cross multiply
    13,733.39x = 18,945.70 × 8,066.30
  4. Step 4: Simplify right side
    13,733.39x = 152,821,699.91
  5. Step 5: Solve for x
    x = 152,821,699.91/13,733.39
  6. Step 6: Final answer
    x = 11,127.75

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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.