Home / 18,456.04-27,690.30-8,074.60

Finding the Fourth Proportional to 18,456.04, 27,690.30 and 8,074.60

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Solution

The fourth proportional to 18,456.04, 27,690.30 and 8,074.60 is: 12,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.04 : 27,690.30 = 8,074.60 : x
  2. Step 2: Convert to fraction form
    18,456.04/27,690.30 = 8,074.60/x
  3. Step 3: Cross multiply
    18,456.04x = 27,690.30 × 8,074.60
  4. Step 4: Simplify right side
    18,456.04x = 223,588,096.38
  5. Step 5: Solve for x
    x = 223,588,096.38/18,456.04
  6. Step 6: Final answer
    x = 12,114.63

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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.