Home / 19,806.56-29,708.87-5,015.73

Finding the Fourth Proportional to 19,806.56, 29,708.87 and 5,015.73

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Solution

The fourth proportional to 19,806.56, 29,708.87 and 5,015.73 is: 7,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.56 : 29,708.87 = 5,015.73 : x
  2. Step 2: Convert to fraction form
    19,806.56/29,708.87 = 5,015.73/x
  3. Step 3: Cross multiply
    19,806.56x = 29,708.87 × 5,015.73
  4. Step 4: Simplify right side
    19,806.56x = 149,011,645.45
  5. Step 5: Solve for x
    x = 149,011,645.45/19,806.56
  6. Step 6: Final answer
    x = 7,523.35

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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.