Home / 12,169.41-18,254.12-4,777.35

Finding the Fourth Proportional to 12,169.41, 18,254.12 and 4,777.35

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Solution

The fourth proportional to 12,169.41, 18,254.12 and 4,777.35 is: 7,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.41 : 18,254.12 = 4,777.35 : x
  2. Step 2: Convert to fraction form
    12,169.41/18,254.12 = 4,777.35/x
  3. Step 3: Cross multiply
    12,169.41x = 18,254.12 × 4,777.35
  4. Step 4: Simplify right side
    12,169.41x = 87,206,296.30
  5. Step 5: Solve for x
    x = 87,206,296.30/12,169.41
  6. Step 6: Final answer
    x = 7,166.03

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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.