Home / 14,504.50-20,017.02-8,218.90

Finding the Fourth Proportional to 14,504.50, 20,017.02 and 8,218.90

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Solution

The fourth proportional to 14,504.50, 20,017.02 and 8,218.90 is: 11,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.50 : 20,017.02 = 8,218.90 : x
  2. Step 2: Convert to fraction form
    14,504.50/20,017.02 = 8,218.90/x
  3. Step 3: Cross multiply
    14,504.50x = 20,017.02 × 8,218.90
  4. Step 4: Simplify right side
    14,504.50x = 164,517,885.68
  5. Step 5: Solve for x
    x = 164,517,885.68/14,504.50
  6. Step 6: Final answer
    x = 11,342.54

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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.