Home / 12,956.74-19,435.71-4,192.34

Finding the Fourth Proportional to 12,956.74, 19,435.71 and 4,192.34

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Solution

The fourth proportional to 12,956.74, 19,435.71 and 4,192.34 is: 6,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.74 : 19,435.71 = 4,192.34 : x
  2. Step 2: Convert to fraction form
    12,956.74/19,435.71 = 4,192.34/x
  3. Step 3: Cross multiply
    12,956.74x = 19,435.71 × 4,192.34
  4. Step 4: Simplify right side
    12,956.74x = 81,481,007.28
  5. Step 5: Solve for x
    x = 81,481,007.28/12,956.74
  6. Step 6: Final answer
    x = 6,288.70

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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.