Home / 11,218.02-16,821.45-4,195.02

Finding the Fourth Proportional to 11,218.02, 16,821.45 and 4,195.02

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Solution

The fourth proportional to 11,218.02, 16,821.45 and 4,195.02 is: 6,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.02 : 16,821.45 = 4,195.02 : x
  2. Step 2: Convert to fraction form
    11,218.02/16,821.45 = 4,195.02/x
  3. Step 3: Cross multiply
    11,218.02x = 16,821.45 × 4,195.02
  4. Step 4: Simplify right side
    11,218.02x = 70,566,319.18
  5. Step 5: Solve for x
    x = 70,566,319.18/11,218.02
  6. Step 6: Final answer
    x = 6,290.44

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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.