Home / 19,352.90-26,709.14-10,855.85

Finding the Fourth Proportional to 19,352.90, 26,709.14 and 10,855.85

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Solution

The fourth proportional to 19,352.90, 26,709.14 and 10,855.85 is: 14,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.90 : 26,709.14 = 10,855.85 : x
  2. Step 2: Convert to fraction form
    19,352.90/26,709.14 = 10,855.85/x
  3. Step 3: Cross multiply
    19,352.90x = 26,709.14 × 10,855.85
  4. Step 4: Simplify right side
    19,352.90x = 289,950,470.67
  5. Step 5: Solve for x
    x = 289,950,470.67/19,352.90
  6. Step 6: Final answer
    x = 14,982.27

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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.