Home / 19,178.16-26,479.08-14,694

Finding the Fourth Proportional to 19,178.16, 26,479.08 and 14,694

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Solution

The fourth proportional to 19,178.16, 26,479.08 and 14,694 is: 20,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.16 : 26,479.08 = 14,694 : x
  2. Step 2: Convert to fraction form
    19,178.16/26,479.08 = 14,694/x
  3. Step 3: Cross multiply
    19,178.16x = 26,479.08 × 14,694
  4. Step 4: Simplify right side
    19,178.16x = 389,083,601.52
  5. Step 5: Solve for x
    x = 389,083,601.52/19,178.16
  6. Step 6: Final answer
    x = 20,287.85

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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.