Home / 14,122.45-19,582.13-13,654.07

Finding the Fourth Proportional to 14,122.45, 19,582.13 and 13,654.07

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Solution

The fourth proportional to 14,122.45, 19,582.13 and 13,654.07 is: 18,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.45 : 19,582.13 = 13,654.07 : x
  2. Step 2: Convert to fraction form
    14,122.45/19,582.13 = 13,654.07/x
  3. Step 3: Cross multiply
    14,122.45x = 19,582.13 × 13,654.07
  4. Step 4: Simplify right side
    14,122.45x = 267,375,745.02
  5. Step 5: Solve for x
    x = 267,375,745.02/14,122.45
  6. Step 6: Final answer
    x = 18,932.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.