Home / 19,578.68-27,018.62-11,622.50

Finding the Fourth Proportional to 19,578.68, 27,018.62 and 11,622.50

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Solution

The fourth proportional to 19,578.68, 27,018.62 and 11,622.50 is: 16,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.68 : 27,018.62 = 11,622.50 : x
  2. Step 2: Convert to fraction form
    19,578.68/27,018.62 = 11,622.50/x
  3. Step 3: Cross multiply
    19,578.68x = 27,018.62 × 11,622.50
  4. Step 4: Simplify right side
    19,578.68x = 314,024,007.55
  5. Step 5: Solve for x
    x = 314,024,007.55/19,578.68
  6. Step 6: Final answer
    x = 16,039.08

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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.