Home / 18,144.40-27,190.64-10,337.08

Finding the Fourth Proportional to 18,144.40, 27,190.64 and 10,337.08

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Solution

The fourth proportional to 18,144.40, 27,190.64 and 10,337.08 is: 15,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.40 : 27,190.64 = 10,337.08 : x
  2. Step 2: Convert to fraction form
    18,144.40/27,190.64 = 10,337.08/x
  3. Step 3: Cross multiply
    18,144.40x = 27,190.64 × 10,337.08
  4. Step 4: Simplify right side
    18,144.40x = 281,071,820.93
  5. Step 5: Solve for x
    x = 281,071,820.93/18,144.40
  6. Step 6: Final answer
    x = 15,490.83

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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.