Home / 13,274.87-19,915.18-4,040.63

Finding the Fourth Proportional to 13,274.87, 19,915.18 and 4,040.63

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Solution

The fourth proportional to 13,274.87, 19,915.18 and 4,040.63 is: 6,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.87 : 19,915.18 = 4,040.63 : x
  2. Step 2: Convert to fraction form
    13,274.87/19,915.18 = 4,040.63/x
  3. Step 3: Cross multiply
    13,274.87x = 19,915.18 × 4,040.63
  4. Step 4: Simplify right side
    13,274.87x = 80,469,873.76
  5. Step 5: Solve for x
    x = 80,469,873.76/13,274.87
  6. Step 6: Final answer
    x = 6,061.82

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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.