Home / 22,544.64-31,112.73-13,595.02

Finding the Fourth Proportional to 22,544.64, 31,112.73 and 13,595.02

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Solution

The fourth proportional to 22,544.64, 31,112.73 and 13,595.02 is: 18,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.64 : 31,112.73 = 13,595.02 : x
  2. Step 2: Convert to fraction form
    22,544.64/31,112.73 = 13,595.02/x
  3. Step 3: Cross multiply
    22,544.64x = 31,112.73 × 13,595.02
  4. Step 4: Simplify right side
    22,544.64x = 422,978,186.60
  5. Step 5: Solve for x
    x = 422,978,186.60/22,544.64
  6. Step 6: Final answer
    x = 18,761.81

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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.