Home / 12,823.50-19,235.97-3,590.22

Finding the Fourth Proportional to 12,823.50, 19,235.97 and 3,590.22

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Solution

The fourth proportional to 12,823.50, 19,235.97 and 3,590.22 is: 5,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.50 : 19,235.97 = 3,590.22 : x
  2. Step 2: Convert to fraction form
    12,823.50/19,235.97 = 3,590.22/x
  3. Step 3: Cross multiply
    12,823.50x = 19,235.97 × 3,590.22
  4. Step 4: Simplify right side
    12,823.50x = 69,061,364.21
  5. Step 5: Solve for x
    x = 69,061,364.21/12,823.50
  6. Step 6: Final answer
    x = 5,385.53

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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.