Home / 12,929.43-19,377.36-5,808.42

Finding the Fourth Proportional to 12,929.43, 19,377.36 and 5,808.42

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Solution

The fourth proportional to 12,929.43, 19,377.36 and 5,808.42 is: 8,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.43 : 19,377.36 = 5,808.42 : x
  2. Step 2: Convert to fraction form
    12,929.43/19,377.36 = 5,808.42/x
  3. Step 3: Cross multiply
    12,929.43x = 19,377.36 × 5,808.42
  4. Step 4: Simplify right side
    12,929.43x = 112,551,845.37
  5. Step 5: Solve for x
    x = 112,551,845.37/12,929.43
  6. Step 6: Final answer
    x = 8,705.09

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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.