Home / 13,971.21-20,958.96-6,576.45

Finding the Fourth Proportional to 13,971.21, 20,958.96 and 6,576.45

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Solution

The fourth proportional to 13,971.21, 20,958.96 and 6,576.45 is: 9,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.21 : 20,958.96 = 6,576.45 : x
  2. Step 2: Convert to fraction form
    13,971.21/20,958.96 = 6,576.45/x
  3. Step 3: Cross multiply
    13,971.21x = 20,958.96 × 6,576.45
  4. Step 4: Simplify right side
    13,971.21x = 137,835,552.49
  5. Step 5: Solve for x
    x = 137,835,552.49/13,971.21
  6. Step 6: Final answer
    x = 9,865.68

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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.