Home / 18,845.40-26,007.30-10,887.60

Finding the Fourth Proportional to 18,845.40, 26,007.30 and 10,887.60

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Solution

The fourth proportional to 18,845.40, 26,007.30 and 10,887.60 is: 15,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.40 : 26,007.30 = 10,887.60 : x
  2. Step 2: Convert to fraction form
    18,845.40/26,007.30 = 10,887.60/x
  3. Step 3: Cross multiply
    18,845.40x = 26,007.30 × 10,887.60
  4. Step 4: Simplify right side
    18,845.40x = 283,157,079.48
  5. Step 5: Solve for x
    x = 283,157,079.48/18,845.40
  6. Step 6: Final answer
    x = 15,025.26

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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.