Home / 18,458.64-27,670.68-10,233.36

Finding the Fourth Proportional to 18,458.64, 27,670.68 and 10,233.36

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Solution

The fourth proportional to 18,458.64, 27,670.68 and 10,233.36 is: 15,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.64 : 27,670.68 = 10,233.36 : x
  2. Step 2: Convert to fraction form
    18,458.64/27,670.68 = 10,233.36/x
  3. Step 3: Cross multiply
    18,458.64x = 27,670.68 × 10,233.36
  4. Step 4: Simplify right side
    18,458.64x = 283,164,029.88
  5. Step 5: Solve for x
    x = 283,164,029.88/18,458.64
  6. Step 6: Final answer
    x = 15,340.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.