Home / 18,673.75-25,770.33-10,290.79

Finding the Fourth Proportional to 18,673.75, 25,770.33 and 10,290.79

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Solution

The fourth proportional to 18,673.75, 25,770.33 and 10,290.79 is: 14,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.75 : 25,770.33 = 10,290.79 : x
  2. Step 2: Convert to fraction form
    18,673.75/25,770.33 = 10,290.79/x
  3. Step 3: Cross multiply
    18,673.75x = 25,770.33 × 10,290.79
  4. Step 4: Simplify right side
    18,673.75x = 265,197,002.81
  5. Step 5: Solve for x
    x = 265,197,002.81/18,673.75
  6. Step 6: Final answer
    x = 14,201.59

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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.