Home / 19,422.91-26,802.82-11,467.70

Finding the Fourth Proportional to 19,422.91, 26,802.82 and 11,467.70

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Solution

The fourth proportional to 19,422.91, 26,802.82 and 11,467.70 is: 15,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.91 : 26,802.82 = 11,467.70 : x
  2. Step 2: Convert to fraction form
    19,422.91/26,802.82 = 11,467.70/x
  3. Step 3: Cross multiply
    19,422.91x = 26,802.82 × 11,467.70
  4. Step 4: Simplify right side
    19,422.91x = 307,366,698.91
  5. Step 5: Solve for x
    x = 307,366,698.91/19,422.91
  6. Step 6: Final answer
    x = 15,824.96

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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.