Home / 18,156.72-25,055.64-11,094.96

Finding the Fourth Proportional to 18,156.72, 25,055.64 and 11,094.96

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Solution

The fourth proportional to 18,156.72, 25,055.64 and 11,094.96 is: 15,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.72 : 25,055.64 = 11,094.96 : x
  2. Step 2: Convert to fraction form
    18,156.72/25,055.64 = 11,094.96/x
  3. Step 3: Cross multiply
    18,156.72x = 25,055.64 × 11,094.96
  4. Step 4: Simplify right side
    18,156.72x = 277,991,323.57
  5. Step 5: Solve for x
    x = 277,991,323.57/18,156.72
  6. Step 6: Final answer
    x = 15,310.66

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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.