Home / 12,684.65-19,022.32-4,362.31

Finding the Fourth Proportional to 12,684.65, 19,022.32 and 4,362.31

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Solution

The fourth proportional to 12,684.65, 19,022.32 and 4,362.31 is: 6,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.65 : 19,022.32 = 4,362.31 : x
  2. Step 2: Convert to fraction form
    12,684.65/19,022.32 = 4,362.31/x
  3. Step 3: Cross multiply
    12,684.65x = 19,022.32 × 4,362.31
  4. Step 4: Simplify right side
    12,684.65x = 82,981,139.84
  5. Step 5: Solve for x
    x = 82,981,139.84/12,684.65
  6. Step 6: Final answer
    x = 6,541.85

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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.