Home / 20,444.54-28,213.32-11,946.44

Finding the Fourth Proportional to 20,444.54, 28,213.32 and 11,946.44

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Solution

The fourth proportional to 20,444.54, 28,213.32 and 11,946.44 is: 16,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.54 : 28,213.32 = 11,946.44 : x
  2. Step 2: Convert to fraction form
    20,444.54/28,213.32 = 11,946.44/x
  3. Step 3: Cross multiply
    20,444.54x = 28,213.32 × 11,946.44
  4. Step 4: Simplify right side
    20,444.54x = 337,048,734.58
  5. Step 5: Solve for x
    x = 337,048,734.58/20,444.54
  6. Step 6: Final answer
    x = 16,486.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.