Home / 19,372.14-26,739.23-12,658.86

Finding the Fourth Proportional to 19,372.14, 26,739.23 and 12,658.86

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Solution

The fourth proportional to 19,372.14, 26,739.23 and 12,658.86 is: 17,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.14 : 26,739.23 = 12,658.86 : x
  2. Step 2: Convert to fraction form
    19,372.14/26,739.23 = 12,658.86/x
  3. Step 3: Cross multiply
    19,372.14x = 26,739.23 × 12,658.86
  4. Step 4: Simplify right side
    19,372.14x = 338,488,105.78
  5. Step 5: Solve for x
    x = 338,488,105.78/19,372.14
  6. Step 6: Final answer
    x = 17,472.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.