Home / 13,365.48-20,049.40-3,504.72

Finding the Fourth Proportional to 13,365.48, 20,049.40 and 3,504.72

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Solution

The fourth proportional to 13,365.48, 20,049.40 and 3,504.72 is: 5,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.48 : 20,049.40 = 3,504.72 : x
  2. Step 2: Convert to fraction form
    13,365.48/20,049.40 = 3,504.72/x
  3. Step 3: Cross multiply
    13,365.48x = 20,049.40 × 3,504.72
  4. Step 4: Simplify right side
    13,365.48x = 70,267,533.17
  5. Step 5: Solve for x
    x = 70,267,533.17/13,365.48
  6. Step 6: Final answer
    x = 5,257.39

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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.