Home / 13,365.56-20,040.88-5,473.60

Finding the Fourth Proportional to 13,365.56, 20,040.88 and 5,473.60

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Solution

The fourth proportional to 13,365.56, 20,040.88 and 5,473.60 is: 8,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.56 : 20,040.88 = 5,473.60 : x
  2. Step 2: Convert to fraction form
    13,365.56/20,040.88 = 5,473.60/x
  3. Step 3: Cross multiply
    13,365.56x = 20,040.88 × 5,473.60
  4. Step 4: Simplify right side
    13,365.56x = 109,695,760.77
  5. Step 5: Solve for x
    x = 109,695,760.77/13,365.56
  6. Step 6: Final answer
    x = 8,207.34

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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.