Home / 12,935.48-19,405.70-4,168.04

Finding the Fourth Proportional to 12,935.48, 19,405.70 and 4,168.04

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Solution

The fourth proportional to 12,935.48, 19,405.70 and 4,168.04 is: 6,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.48 : 19,405.70 = 4,168.04 : x
  2. Step 2: Convert to fraction form
    12,935.48/19,405.70 = 4,168.04/x
  3. Step 3: Cross multiply
    12,935.48x = 19,405.70 × 4,168.04
  4. Step 4: Simplify right side
    12,935.48x = 80,883,777.13
  5. Step 5: Solve for x
    x = 80,883,777.13/12,935.48
  6. Step 6: Final answer
    x = 6,252.86

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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.