Home / 14,504.09-20,015.02-8,216.46

Finding the Fourth Proportional to 14,504.09, 20,015.02 and 8,216.46

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Solution

The fourth proportional to 14,504.09, 20,015.02 and 8,216.46 is: 11,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.09 : 20,015.02 = 8,216.46 : x
  2. Step 2: Convert to fraction form
    14,504.09/20,015.02 = 8,216.46/x
  3. Step 3: Cross multiply
    14,504.09x = 20,015.02 × 8,216.46
  4. Step 4: Simplify right side
    14,504.09x = 164,452,621.50
  5. Step 5: Solve for x
    x = 164,452,621.50/14,504.09
  6. Step 6: Final answer
    x = 11,338.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.