Home / 13,208.96-19,821.36-4,887.56

Finding the Fourth Proportional to 13,208.96, 19,821.36 and 4,887.56

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Solution

The fourth proportional to 13,208.96, 19,821.36 and 4,887.56 is: 7,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.96 : 19,821.36 = 4,887.56 : x
  2. Step 2: Convert to fraction form
    13,208.96/19,821.36 = 4,887.56/x
  3. Step 3: Cross multiply
    13,208.96x = 19,821.36 × 4,887.56
  4. Step 4: Simplify right side
    13,208.96x = 96,878,086.28
  5. Step 5: Solve for x
    x = 96,878,086.28/13,208.96
  6. Step 6: Final answer
    x = 7,334.27

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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.