Home / 19,084.34-28,612.68-12,828.84

Finding the Fourth Proportional to 19,084.34, 28,612.68 and 12,828.84

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Solution

The fourth proportional to 19,084.34, 28,612.68 and 12,828.84 is: 19,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084.34 : 28,612.68 = 12,828.84 : x
  2. Step 2: Convert to fraction form
    19,084.34/28,612.68 = 12,828.84/x
  3. Step 3: Cross multiply
    19,084.34x = 28,612.68 × 12,828.84
  4. Step 4: Simplify right side
    19,084.34x = 367,067,445.58
  5. Step 5: Solve for x
    x = 367,067,445.58/19,084.34
  6. Step 6: Final answer
    x = 19,233.96

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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.