Home / 19,367.70-29,051.55-8,286.90

Finding the Fourth Proportional to 19,367.70, 29,051.55 and 8,286.90

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Solution

The fourth proportional to 19,367.70, 29,051.55 and 8,286.90 is: 12,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.70 : 29,051.55 = 8,286.90 : x
  2. Step 2: Convert to fraction form
    19,367.70/29,051.55 = 8,286.90/x
  3. Step 3: Cross multiply
    19,367.70x = 29,051.55 × 8,286.90
  4. Step 4: Simplify right side
    19,367.70x = 240,747,289.70
  5. Step 5: Solve for x
    x = 240,747,289.70/19,367.70
  6. Step 6: Final answer
    x = 12,430.35

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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.