Home / 18,795.78-28,205.82-8,946.18

Finding the Fourth Proportional to 18,795.78, 28,205.82 and 8,946.18

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Solution

The fourth proportional to 18,795.78, 28,205.82 and 8,946.18 is: 13,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.78 : 28,205.82 = 8,946.18 : x
  2. Step 2: Convert to fraction form
    18,795.78/28,205.82 = 8,946.18/x
  3. Step 3: Cross multiply
    18,795.78x = 28,205.82 × 8,946.18
  4. Step 4: Simplify right side
    18,795.78x = 252,334,342.77
  5. Step 5: Solve for x
    x = 252,334,342.77/18,795.78
  6. Step 6: Final answer
    x = 13,425.05

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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.