Home / 9,021.69-13,565.43-8,299.98

Finding the Fourth Proportional to 9,021.69, 13,565.43 and 8,299.98

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Solution

The fourth proportional to 9,021.69, 13,565.43 and 8,299.98 is: 12,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.69 : 13,565.43 = 8,299.98 : x
  2. Step 2: Convert to fraction form
    9,021.69/13,565.43 = 8,299.98/x
  3. Step 3: Cross multiply
    9,021.69x = 13,565.43 × 8,299.98
  4. Step 4: Simplify right side
    9,021.69x = 112,592,797.69
  5. Step 5: Solve for x
    x = 112,592,797.69/9,021.69
  6. Step 6: Final answer
    x = 12,480.23

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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.