Home / 18,394.08-27,548.16-13,451.28

Finding the Fourth Proportional to 18,394.08, 27,548.16 and 13,451.28

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Solution

The fourth proportional to 18,394.08, 27,548.16 and 13,451.28 is: 20,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.08 : 27,548.16 = 13,451.28 : x
  2. Step 2: Convert to fraction form
    18,394.08/27,548.16 = 13,451.28/x
  3. Step 3: Cross multiply
    18,394.08x = 27,548.16 × 13,451.28
  4. Step 4: Simplify right side
    18,394.08x = 370,558,013.64
  5. Step 5: Solve for x
    x = 370,558,013.64/18,394.08
  6. Step 6: Final answer
    x = 20,145.50

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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.