Home / 12,682.63-19,026.34-3,915.50

Finding the Fourth Proportional to 12,682.63, 19,026.34 and 3,915.50

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Solution

The fourth proportional to 12,682.63, 19,026.34 and 3,915.50 is: 5,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.63 : 19,026.34 = 3,915.50 : x
  2. Step 2: Convert to fraction form
    12,682.63/19,026.34 = 3,915.50/x
  3. Step 3: Cross multiply
    12,682.63x = 19,026.34 × 3,915.50
  4. Step 4: Simplify right side
    12,682.63x = 74,497,529.35
  5. Step 5: Solve for x
    x = 74,497,529.35/12,682.63
  6. Step 6: Final answer
    x = 5,873.98

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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.