Home / 12,243.02-18,350.15-5,220.99

Finding the Fourth Proportional to 12,243.02, 18,350.15 and 5,220.99

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Solution

The fourth proportional to 12,243.02, 18,350.15 and 5,220.99 is: 7,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.02 : 18,350.15 = 5,220.99 : x
  2. Step 2: Convert to fraction form
    12,243.02/18,350.15 = 5,220.99/x
  3. Step 3: Cross multiply
    12,243.02x = 18,350.15 × 5,220.99
  4. Step 4: Simplify right side
    12,243.02x = 95,805,923.54
  5. Step 5: Solve for x
    x = 95,805,923.54/12,243.02
  6. Step 6: Final answer
    x = 7,825.35

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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.