Home / 12,935.96-19,407.18-4,170.68

Finding the Fourth Proportional to 12,935.96, 19,407.18 and 4,170.68

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Solution

The fourth proportional to 12,935.96, 19,407.18 and 4,170.68 is: 6,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.96 : 19,407.18 = 4,170.68 : x
  2. Step 2: Convert to fraction form
    12,935.96/19,407.18 = 4,170.68/x
  3. Step 3: Cross multiply
    12,935.96x = 19,407.18 × 4,170.68
  4. Step 4: Simplify right side
    12,935.96x = 80,941,137.48
  5. Step 5: Solve for x
    x = 80,941,137.48/12,935.96
  6. Step 6: Final answer
    x = 6,257.06

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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.