Home / 18,767.44-25,884.60-13,100.32

Finding the Fourth Proportional to 18,767.44, 25,884.60 and 13,100.32

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Solution

The fourth proportional to 18,767.44, 25,884.60 and 13,100.32 is: 18,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.44 : 25,884.60 = 13,100.32 : x
  2. Step 2: Convert to fraction form
    18,767.44/25,884.60 = 13,100.32/x
  3. Step 3: Cross multiply
    18,767.44x = 25,884.60 × 13,100.32
  4. Step 4: Simplify right side
    18,767.44x = 339,096,543.07
  5. Step 5: Solve for x
    x = 339,096,543.07/18,767.44
  6. Step 6: Final answer
    x = 18,068.34

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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.