Home / 18,941.83-26,137.91-18,305.17

Finding the Fourth Proportional to 18,941.83, 26,137.91 and 18,305.17

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Solution

The fourth proportional to 18,941.83, 26,137.91 and 18,305.17 is: 25,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.83 : 26,137.91 = 18,305.17 : x
  2. Step 2: Convert to fraction form
    18,941.83/26,137.91 = 18,305.17/x
  3. Step 3: Cross multiply
    18,941.83x = 26,137.91 × 18,305.17
  4. Step 4: Simplify right side
    18,941.83x = 478,458,866.41
  5. Step 5: Solve for x
    x = 478,458,866.41/18,941.83
  6. Step 6: Final answer
    x = 25,259.38

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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.