Home / 18,421.36-27,597.40-10,902.64

Finding the Fourth Proportional to 18,421.36, 27,597.40 and 10,902.64

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Solution

The fourth proportional to 18,421.36, 27,597.40 and 10,902.64 is: 16,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.36 : 27,597.40 = 10,902.64 : x
  2. Step 2: Convert to fraction form
    18,421.36/27,597.40 = 10,902.64/x
  3. Step 3: Cross multiply
    18,421.36x = 27,597.40 × 10,902.64
  4. Step 4: Simplify right side
    18,421.36x = 300,884,517.14
  5. Step 5: Solve for x
    x = 300,884,517.14/18,421.36
  6. Step 6: Final answer
    x = 16,333.46

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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.