Home / 13,975.02-20,956.37-7,399.67

Finding the Fourth Proportional to 13,975.02, 20,956.37 and 7,399.67

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Solution

The fourth proportional to 13,975.02, 20,956.37 and 7,399.67 is: 11,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.02 : 20,956.37 = 7,399.67 : x
  2. Step 2: Convert to fraction form
    13,975.02/20,956.37 = 7,399.67/x
  3. Step 3: Cross multiply
    13,975.02x = 20,956.37 × 7,399.67
  4. Step 4: Simplify right side
    13,975.02x = 155,070,222.40
  5. Step 5: Solve for x
    x = 155,070,222.40/13,975.02
  6. Step 6: Final answer
    x = 11,096.24

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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.