Home / 13,953.48-20,931.42-3,958.26

Finding the Fourth Proportional to 13,953.48, 20,931.42 and 3,958.26

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Solution

The fourth proportional to 13,953.48, 20,931.42 and 3,958.26 is: 5,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.48 : 20,931.42 = 3,958.26 : x
  2. Step 2: Convert to fraction form
    13,953.48/20,931.42 = 3,958.26/x
  3. Step 3: Cross multiply
    13,953.48x = 20,931.42 × 3,958.26
  4. Step 4: Simplify right side
    13,953.48x = 82,852,002.53
  5. Step 5: Solve for x
    x = 82,852,002.53/13,953.48
  6. Step 6: Final answer
    x = 5,937.73

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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.