Home / 18,630.41-27,945.36-4,590.60

Finding the Fourth Proportional to 18,630.41, 27,945.36 and 4,590.60

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Solution

The fourth proportional to 18,630.41, 27,945.36 and 4,590.60 is: 6,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.41 : 27,945.36 = 4,590.60 : x
  2. Step 2: Convert to fraction form
    18,630.41/27,945.36 = 4,590.60/x
  3. Step 3: Cross multiply
    18,630.41x = 27,945.36 × 4,590.60
  4. Step 4: Simplify right side
    18,630.41x = 128,285,969.62
  5. Step 5: Solve for x
    x = 128,285,969.62/18,630.41
  6. Step 6: Final answer
    x = 6,885.84

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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.