Home / 12,821.96-19,234.08-3,463.40

Finding the Fourth Proportional to 12,821.96, 19,234.08 and 3,463.40

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Solution

The fourth proportional to 12,821.96, 19,234.08 and 3,463.40 is: 5,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.96 : 19,234.08 = 3,463.40 : x
  2. Step 2: Convert to fraction form
    12,821.96/19,234.08 = 3,463.40/x
  3. Step 3: Cross multiply
    12,821.96x = 19,234.08 × 3,463.40
  4. Step 4: Simplify right side
    12,821.96x = 66,615,312.67
  5. Step 5: Solve for x
    x = 66,615,312.67/12,821.96
  6. Step 6: Final answer
    x = 5,195.41

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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.