Home / 18,113.47-27,170.40-4,965.84

Finding the Fourth Proportional to 18,113.47, 27,170.40 and 4,965.84

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Solution

The fourth proportional to 18,113.47, 27,170.40 and 4,965.84 is: 7,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.47 : 27,170.40 = 4,965.84 : x
  2. Step 2: Convert to fraction form
    18,113.47/27,170.40 = 4,965.84/x
  3. Step 3: Cross multiply
    18,113.47x = 27,170.40 × 4,965.84
  4. Step 4: Simplify right side
    18,113.47x = 134,923,859.14
  5. Step 5: Solve for x
    x = 134,923,859.14/18,113.47
  6. Step 6: Final answer
    x = 7,448.81

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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.