Home / 23,175.60-31,982.13-13,106.01

Finding the Fourth Proportional to 23,175.60, 31,982.13 and 13,106.01

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Solution

The fourth proportional to 23,175.60, 31,982.13 and 13,106.01 is: 18,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.60 : 31,982.13 = 13,106.01 : x
  2. Step 2: Convert to fraction form
    23,175.60/31,982.13 = 13,106.01/x
  3. Step 3: Cross multiply
    23,175.60x = 31,982.13 × 13,106.01
  4. Step 4: Simplify right side
    23,175.60x = 419,158,186.39
  5. Step 5: Solve for x
    x = 419,158,186.39/23,175.60
  6. Step 6: Final answer
    x = 18,086.19

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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.