Home / 11,189.02-16,768.40-4,259.74

Finding the Fourth Proportional to 11,189.02, 16,768.40 and 4,259.74

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Solution

The fourth proportional to 11,189.02, 16,768.40 and 4,259.74 is: 6,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.02 : 16,768.40 = 4,259.74 : x
  2. Step 2: Convert to fraction form
    11,189.02/16,768.40 = 4,259.74/x
  3. Step 3: Cross multiply
    11,189.02x = 16,768.40 × 4,259.74
  4. Step 4: Simplify right side
    11,189.02x = 71,429,024.22
  5. Step 5: Solve for x
    x = 71,429,024.22/11,189.02
  6. Step 6: Final answer
    x = 6,383.85

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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.