Home / 9,000.45-13,484.82-8,021.97

Finding the Fourth Proportional to 9,000.45, 13,484.82 and 8,021.97

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Solution

The fourth proportional to 9,000.45, 13,484.82 and 8,021.97 is: 12,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.45 : 13,484.82 = 8,021.97 : x
  2. Step 2: Convert to fraction form
    9,000.45/13,484.82 = 8,021.97/x
  3. Step 3: Cross multiply
    9,000.45x = 13,484.82 × 8,021.97
  4. Step 4: Simplify right side
    9,000.45x = 108,174,821.50
  5. Step 5: Solve for x
    x = 108,174,821.50/9,000.45
  6. Step 6: Final answer
    x = 12,018.82

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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.