Home / 12,000.60-18,004.85-5,678.19

Finding the Fourth Proportional to 12,000.60, 18,004.85 and 5,678.19

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Solution

The fourth proportional to 12,000.60, 18,004.85 and 5,678.19 is: 8,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.60 : 18,004.85 = 5,678.19 : x
  2. Step 2: Convert to fraction form
    12,000.60/18,004.85 = 5,678.19/x
  3. Step 3: Cross multiply
    12,000.60x = 18,004.85 × 5,678.19
  4. Step 4: Simplify right side
    12,000.60x = 102,234,975.84
  5. Step 5: Solve for x
    x = 102,234,975.84/12,000.60
  6. Step 6: Final answer
    x = 8,519.16

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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.