Home / 13,717.54-20,525.28-8,173.90

Finding the Fourth Proportional to 13,717.54, 20,525.28 and 8,173.90

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Solution

The fourth proportional to 13,717.54, 20,525.28 and 8,173.90 is: 12,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.54 : 20,525.28 = 8,173.90 : x
  2. Step 2: Convert to fraction form
    13,717.54/20,525.28 = 8,173.90/x
  3. Step 3: Cross multiply
    13,717.54x = 20,525.28 × 8,173.90
  4. Step 4: Simplify right side
    13,717.54x = 167,771,586.19
  5. Step 5: Solve for x
    x = 167,771,586.19/13,717.54
  6. Step 6: Final answer
    x = 12,230.44

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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.