Home / 18,968.64-26,175.32-11,009.58

Finding the Fourth Proportional to 18,968.64, 26,175.32 and 11,009.58

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Solution

The fourth proportional to 18,968.64, 26,175.32 and 11,009.58 is: 15,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.64 : 26,175.32 = 11,009.58 : x
  2. Step 2: Convert to fraction form
    18,968.64/26,175.32 = 11,009.58/x
  3. Step 3: Cross multiply
    18,968.64x = 26,175.32 × 11,009.58
  4. Step 4: Simplify right side
    18,968.64x = 288,179,093.64
  5. Step 5: Solve for x
    x = 288,179,093.64/18,968.64
  6. Step 6: Final answer
    x = 15,192.40

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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.