Home / 12,004.31-18,000.71-5,673.92

Finding the Fourth Proportional to 12,004.31, 18,000.71 and 5,673.92

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Solution

The fourth proportional to 12,004.31, 18,000.71 and 5,673.92 is: 8,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.31 : 18,000.71 = 5,673.92 : x
  2. Step 2: Convert to fraction form
    12,004.31/18,000.71 = 5,673.92/x
  3. Step 3: Cross multiply
    12,004.31x = 18,000.71 × 5,673.92
  4. Step 4: Simplify right side
    12,004.31x = 102,134,647.67
  5. Step 5: Solve for x
    x = 102,134,647.67/12,004.31
  6. Step 6: Final answer
    x = 8,508.16

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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.