Home / 18,288.72-27,365.04-10,897.20

Finding the Fourth Proportional to 18,288.72, 27,365.04 and 10,897.20

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Solution

The fourth proportional to 18,288.72, 27,365.04 and 10,897.20 is: 16,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.72 : 27,365.04 = 10,897.20 : x
  2. Step 2: Convert to fraction form
    18,288.72/27,365.04 = 10,897.20/x
  3. Step 3: Cross multiply
    18,288.72x = 27,365.04 × 10,897.20
  4. Step 4: Simplify right side
    18,288.72x = 298,202,313.89
  5. Step 5: Solve for x
    x = 298,202,313.89/18,288.72
  6. Step 6: Final answer
    x = 16,305.26

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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.