Home / 19,578.94-27,018.14-10,626.12

Finding the Fourth Proportional to 19,578.94, 27,018.14 and 10,626.12

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Solution

The fourth proportional to 19,578.94, 27,018.14 and 10,626.12 is: 14,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.94 : 27,018.14 = 10,626.12 : x
  2. Step 2: Convert to fraction form
    19,578.94/27,018.14 = 10,626.12/x
  3. Step 3: Cross multiply
    19,578.94x = 27,018.14 × 10,626.12
  4. Step 4: Simplify right side
    19,578.94x = 287,097,997.82
  5. Step 5: Solve for x
    x = 287,097,997.82/19,578.94
  6. Step 6: Final answer
    x = 14,663.61

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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.