Home / 19,746.72-27,253.44-11,361.60

Finding the Fourth Proportional to 19,746.72, 27,253.44 and 11,361.60

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Solution

The fourth proportional to 19,746.72, 27,253.44 and 11,361.60 is: 15,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.72 : 27,253.44 = 11,361.60 : x
  2. Step 2: Convert to fraction form
    19,746.72/27,253.44 = 11,361.60/x
  3. Step 3: Cross multiply
    19,746.72x = 27,253.44 × 11,361.60
  4. Step 4: Simplify right side
    19,746.72x = 309,642,683.90
  5. Step 5: Solve for x
    x = 309,642,683.90/19,746.72
  6. Step 6: Final answer
    x = 15,680.71

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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.