Home / 14,022.16-21,004.62-8,739.88

Finding the Fourth Proportional to 14,022.16, 21,004.62 and 8,739.88

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Solution

The fourth proportional to 14,022.16, 21,004.62 and 8,739.88 is: 13,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.16 : 21,004.62 = 8,739.88 : x
  2. Step 2: Convert to fraction form
    14,022.16/21,004.62 = 8,739.88/x
  3. Step 3: Cross multiply
    14,022.16x = 21,004.62 × 8,739.88
  4. Step 4: Simplify right side
    14,022.16x = 183,577,858.25
  5. Step 5: Solve for x
    x = 183,577,858.25/14,022.16
  6. Step 6: Final answer
    x = 13,091.98

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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.