Home / 18,543.93-27,820.45-5,396.42

Finding the Fourth Proportional to 18,543.93, 27,820.45 and 5,396.42

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Solution

The fourth proportional to 18,543.93, 27,820.45 and 5,396.42 is: 8,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.93 : 27,820.45 = 5,396.42 : x
  2. Step 2: Convert to fraction form
    18,543.93/27,820.45 = 5,396.42/x
  3. Step 3: Cross multiply
    18,543.93x = 27,820.45 × 5,396.42
  4. Step 4: Simplify right side
    18,543.93x = 150,130,680.20
  5. Step 5: Solve for x
    x = 150,130,680.20/18,543.93
  6. Step 6: Final answer
    x = 8,095.95

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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.