Home / 13,189.96-19,792.86-4,868.56

Finding the Fourth Proportional to 13,189.96, 19,792.86 and 4,868.56

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Solution

The fourth proportional to 13,189.96, 19,792.86 and 4,868.56 is: 7,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.96 : 19,792.86 = 4,868.56 : x
  2. Step 2: Convert to fraction form
    13,189.96/19,792.86 = 4,868.56/x
  3. Step 3: Cross multiply
    13,189.96x = 19,792.86 × 4,868.56
  4. Step 4: Simplify right side
    13,189.96x = 96,362,726.48
  5. Step 5: Solve for x
    x = 96,362,726.48/13,189.96
  6. Step 6: Final answer
    x = 7,305.76

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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.