Home / 18,845.38-26,004.78-10,887.44

Finding the Fourth Proportional to 18,845.38, 26,004.78 and 10,887.44

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Solution

The fourth proportional to 18,845.38, 26,004.78 and 10,887.44 is: 15,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.38 : 26,004.78 = 10,887.44 : x
  2. Step 2: Convert to fraction form
    18,845.38/26,004.78 = 10,887.44/x
  3. Step 3: Cross multiply
    18,845.38x = 26,004.78 × 10,887.44
  4. Step 4: Simplify right side
    18,845.38x = 283,125,392.77
  5. Step 5: Solve for x
    x = 283,125,392.77/18,845.38
  6. Step 6: Final answer
    x = 15,023.60

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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.