Home / 12,579.42-17,359.51-6,836.83

Finding the Fourth Proportional to 12,579.42, 17,359.51 and 6,836.83

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Solution

The fourth proportional to 12,579.42, 17,359.51 and 6,836.83 is: 9,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.42 : 17,359.51 = 6,836.83 : x
  2. Step 2: Convert to fraction form
    12,579.42/17,359.51 = 6,836.83/x
  3. Step 3: Cross multiply
    12,579.42x = 17,359.51 × 6,836.83
  4. Step 4: Simplify right side
    12,579.42x = 118,684,018.75
  5. Step 5: Solve for x
    x = 118,684,018.75/12,579.42
  6. Step 6: Final answer
    x = 9,434.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.