Home / 13,913.64-20,882.70-7,344.54

Finding the Fourth Proportional to 13,913.64, 20,882.70 and 7,344.54

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Solution

The fourth proportional to 13,913.64, 20,882.70 and 7,344.54 is: 11,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.64 : 20,882.70 = 7,344.54 : x
  2. Step 2: Convert to fraction form
    13,913.64/20,882.70 = 7,344.54/x
  3. Step 3: Cross multiply
    13,913.64x = 20,882.70 × 7,344.54
  4. Step 4: Simplify right side
    13,913.64x = 153,373,825.46
  5. Step 5: Solve for x
    x = 153,373,825.46/13,913.64
  6. Step 6: Final answer
    x = 11,023.27

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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.