Home / 12,941.28-19,415.57-4,176.90

Finding the Fourth Proportional to 12,941.28, 19,415.57 and 4,176.90

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Solution

The fourth proportional to 12,941.28, 19,415.57 and 4,176.90 is: 6,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.28 : 19,415.57 = 4,176.90 : x
  2. Step 2: Convert to fraction form
    12,941.28/19,415.57 = 4,176.90/x
  3. Step 3: Cross multiply
    12,941.28x = 19,415.57 × 4,176.90
  4. Step 4: Simplify right side
    12,941.28x = 81,096,873.45
  5. Step 5: Solve for x
    x = 81,096,873.45/12,941.28
  6. Step 6: Final answer
    x = 6,266.53

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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.