Home / 13,365.03-20,047.70-3,505.31

Finding the Fourth Proportional to 13,365.03, 20,047.70 and 3,505.31

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Solution

The fourth proportional to 13,365.03, 20,047.70 and 3,505.31 is: 5,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.03 : 20,047.70 = 3,505.31 : x
  2. Step 2: Convert to fraction form
    13,365.03/20,047.70 = 3,505.31/x
  3. Step 3: Cross multiply
    13,365.03x = 20,047.70 × 3,505.31
  4. Step 4: Simplify right side
    13,365.03x = 70,273,386.99
  5. Step 5: Solve for x
    x = 70,273,386.99/13,365.03
  6. Step 6: Final answer
    x = 5,258.00

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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.