Home / 13,525.56-20,289.06-4,172.01

Finding the Fourth Proportional to 13,525.56, 20,289.06 and 4,172.01

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Solution

The fourth proportional to 13,525.56, 20,289.06 and 4,172.01 is: 6,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.56 : 20,289.06 = 4,172.01 : x
  2. Step 2: Convert to fraction form
    13,525.56/20,289.06 = 4,172.01/x
  3. Step 3: Cross multiply
    13,525.56x = 20,289.06 × 4,172.01
  4. Step 4: Simplify right side
    13,525.56x = 84,646,161.21
  5. Step 5: Solve for x
    x = 84,646,161.21/13,525.56
  6. Step 6: Final answer
    x = 6,258.24

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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.