Home / 14,999.09-20,698.20-8,284.37

Finding the Fourth Proportional to 14,999.09, 20,698.20 and 8,284.37

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Solution

The fourth proportional to 14,999.09, 20,698.20 and 8,284.37 is: 11,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.09 : 20,698.20 = 8,284.37 : x
  2. Step 2: Convert to fraction form
    14,999.09/20,698.20 = 8,284.37/x
  3. Step 3: Cross multiply
    14,999.09x = 20,698.20 × 8,284.37
  4. Step 4: Simplify right side
    14,999.09x = 171,471,443.64
  5. Step 5: Solve for x
    x = 171,471,443.64/14,999.09
  6. Step 6: Final answer
    x = 11,432.13

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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.