Home / 23,173.44-31,979.84-13,101.28

Finding the Fourth Proportional to 23,173.44, 31,979.84 and 13,101.28

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Solution

The fourth proportional to 23,173.44, 31,979.84 and 13,101.28 is: 18,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.44 : 31,979.84 = 13,101.28 : x
  2. Step 2: Convert to fraction form
    23,173.44/31,979.84 = 13,101.28/x
  3. Step 3: Cross multiply
    23,173.44x = 31,979.84 × 13,101.28
  4. Step 4: Simplify right side
    23,173.44x = 418,976,838.20
  5. Step 5: Solve for x
    x = 418,976,838.20/23,173.44
  6. Step 6: Final answer
    x = 18,080.05

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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.