Home / 12,664.04-18,998.22-5,646.60

Finding the Fourth Proportional to 12,664.04, 18,998.22 and 5,646.60

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Solution

The fourth proportional to 12,664.04, 18,998.22 and 5,646.60 is: 8,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.04 : 18,998.22 = 5,646.60 : x
  2. Step 2: Convert to fraction form
    12,664.04/18,998.22 = 5,646.60/x
  3. Step 3: Cross multiply
    12,664.04x = 18,998.22 × 5,646.60
  4. Step 4: Simplify right side
    12,664.04x = 107,275,349.05
  5. Step 5: Solve for x
    x = 107,275,349.05/12,664.04
  6. Step 6: Final answer
    x = 8,470.86

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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.