Home / 20,252.84-30,364.68-12,445.52

Finding the Fourth Proportional to 20,252.84, 30,364.68 and 12,445.52

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Solution

The fourth proportional to 20,252.84, 30,364.68 and 12,445.52 is: 18,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.84 : 30,364.68 = 12,445.52 : x
  2. Step 2: Convert to fraction form
    20,252.84/30,364.68 = 12,445.52/x
  3. Step 3: Cross multiply
    20,252.84x = 30,364.68 × 12,445.52
  4. Step 4: Simplify right side
    20,252.84x = 377,904,232.23
  5. Step 5: Solve for x
    x = 377,904,232.23/20,252.84
  6. Step 6: Final answer
    x = 18,659.32

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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.