Home / 12,694.19-19,045.85-5,673.62

Finding the Fourth Proportional to 12,694.19, 19,045.85 and 5,673.62

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Solution

The fourth proportional to 12,694.19, 19,045.85 and 5,673.62 is: 8,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.19 : 19,045.85 = 5,673.62 : x
  2. Step 2: Convert to fraction form
    12,694.19/19,045.85 = 5,673.62/x
  3. Step 3: Cross multiply
    12,694.19x = 19,045.85 × 5,673.62
  4. Step 4: Simplify right side
    12,694.19x = 108,058,887.11
  5. Step 5: Solve for x
    x = 108,058,887.11/12,694.19
  6. Step 6: Final answer
    x = 8,512.47

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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.