Home / 14,999.11-20,698.80-8,284.61

Finding the Fourth Proportional to 14,999.11, 20,698.80 and 8,284.61

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Solution

The fourth proportional to 14,999.11, 20,698.80 and 8,284.61 is: 11,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.11 : 20,698.80 = 8,284.61 : x
  2. Step 2: Convert to fraction form
    14,999.11/20,698.80 = 8,284.61/x
  3. Step 3: Cross multiply
    14,999.11x = 20,698.80 × 8,284.61
  4. Step 4: Simplify right side
    14,999.11x = 171,481,485.47
  5. Step 5: Solve for x
    x = 171,481,485.47/14,999.11
  6. Step 6: Final answer
    x = 11,432.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.