Home / 12,204.81-18,308.41-5,632.88

Finding the Fourth Proportional to 12,204.81, 18,308.41 and 5,632.88

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Solution

The fourth proportional to 12,204.81, 18,308.41 and 5,632.88 is: 8,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.81 : 18,308.41 = 5,632.88 : x
  2. Step 2: Convert to fraction form
    12,204.81/18,308.41 = 5,632.88/x
  3. Step 3: Cross multiply
    12,204.81x = 18,308.41 × 5,632.88
  4. Step 4: Simplify right side
    12,204.81x = 103,128,970.90
  5. Step 5: Solve for x
    x = 103,128,970.90/12,204.81
  6. Step 6: Final answer
    x = 8,449.86

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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.