Home / 18,035.42-27,053.04-4,887.78

Finding the Fourth Proportional to 18,035.42, 27,053.04 and 4,887.78

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Solution

The fourth proportional to 18,035.42, 27,053.04 and 4,887.78 is: 7,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.42 : 27,053.04 = 4,887.78 : x
  2. Step 2: Convert to fraction form
    18,035.42/27,053.04 = 4,887.78/x
  3. Step 3: Cross multiply
    18,035.42x = 27,053.04 × 4,887.78
  4. Step 4: Simplify right side
    18,035.42x = 132,229,307.85
  5. Step 5: Solve for x
    x = 132,229,307.85/18,035.42
  6. Step 6: Final answer
    x = 7,331.65

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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.