Home / 18,213.42-27,319.32-4,886.42

Finding the Fourth Proportional to 18,213.42, 27,319.32 and 4,886.42

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Solution

The fourth proportional to 18,213.42, 27,319.32 and 4,886.42 is: 7,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.42 : 27,319.32 = 4,886.42 : x
  2. Step 2: Convert to fraction form
    18,213.42/27,319.32 = 4,886.42/x
  3. Step 3: Cross multiply
    18,213.42x = 27,319.32 × 4,886.42
  4. Step 4: Simplify right side
    18,213.42x = 133,493,671.63
  5. Step 5: Solve for x
    x = 133,493,671.63/18,213.42
  6. Step 6: Final answer
    x = 7,329.41

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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.