Home / 12,454.02-18,675.75-4,131.81

Finding the Fourth Proportional to 12,454.02, 18,675.75 and 4,131.81

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Solution

The fourth proportional to 12,454.02, 18,675.75 and 4,131.81 is: 6,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.02 : 18,675.75 = 4,131.81 : x
  2. Step 2: Convert to fraction form
    12,454.02/18,675.75 = 4,131.81/x
  3. Step 3: Cross multiply
    12,454.02x = 18,675.75 × 4,131.81
  4. Step 4: Simplify right side
    12,454.02x = 77,164,650.61
  5. Step 5: Solve for x
    x = 77,164,650.61/12,454.02
  6. Step 6: Final answer
    x = 6,195.96

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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.