Home / 18,543.81-27,820.26-5,396.29

Finding the Fourth Proportional to 18,543.81, 27,820.26 and 5,396.29

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Solution

The fourth proportional to 18,543.81, 27,820.26 and 5,396.29 is: 8,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.81 : 27,820.26 = 5,396.29 : x
  2. Step 2: Convert to fraction form
    18,543.81/27,820.26 = 5,396.29/x
  3. Step 3: Cross multiply
    18,543.81x = 27,820.26 × 5,396.29
  4. Step 4: Simplify right side
    18,543.81x = 150,126,190.84
  5. Step 5: Solve for x
    x = 150,126,190.84/18,543.81
  6. Step 6: Final answer
    x = 8,095.76

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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.