Home / 13,208.64-19,811.05-4,887.25

Finding the Fourth Proportional to 13,208.64, 19,811.05 and 4,887.25

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Solution

The fourth proportional to 13,208.64, 19,811.05 and 4,887.25 is: 7,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.64 : 19,811.05 = 4,887.25 : x
  2. Step 2: Convert to fraction form
    13,208.64/19,811.05 = 4,887.25/x
  3. Step 3: Cross multiply
    13,208.64x = 19,811.05 × 4,887.25
  4. Step 4: Simplify right side
    13,208.64x = 96,821,492.37
  5. Step 5: Solve for x
    x = 96,821,492.37/13,208.64
  6. Step 6: Final answer
    x = 7,330.17

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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.