Home / 12,726.91-19,085.79-4,404.67

Finding the Fourth Proportional to 12,726.91, 19,085.79 and 4,404.67

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Solution

The fourth proportional to 12,726.91, 19,085.79 and 4,404.67 is: 6,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.91 : 19,085.79 = 4,404.67 : x
  2. Step 2: Convert to fraction form
    12,726.91/19,085.79 = 4,404.67/x
  3. Step 3: Cross multiply
    12,726.91x = 19,085.79 × 4,404.67
  4. Step 4: Simplify right side
    12,726.91x = 84,066,558.92
  5. Step 5: Solve for x
    x = 84,066,558.92/12,726.91
  6. Step 6: Final answer
    x = 6,605.42

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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.