Home / 12,632.24-18,955.20-5,241.80

Finding the Fourth Proportional to 12,632.24, 18,955.20 and 5,241.80

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Solution

The fourth proportional to 12,632.24, 18,955.20 and 5,241.80 is: 7,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.24 : 18,955.20 = 5,241.80 : x
  2. Step 2: Convert to fraction form
    12,632.24/18,955.20 = 5,241.80/x
  3. Step 3: Cross multiply
    12,632.24x = 18,955.20 × 5,241.80
  4. Step 4: Simplify right side
    12,632.24x = 99,359,367.36
  5. Step 5: Solve for x
    x = 99,359,367.36/12,632.24
  6. Step 6: Final answer
    x = 7,865.54

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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.