Home / 18,134.55-27,211.73-7,041.69

Finding the Fourth Proportional to 18,134.55, 27,211.73 and 7,041.69

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Solution

The fourth proportional to 18,134.55, 27,211.73 and 7,041.69 is: 10,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.55 : 27,211.73 = 7,041.69 : x
  2. Step 2: Convert to fraction form
    18,134.55/27,211.73 = 7,041.69/x
  3. Step 3: Cross multiply
    18,134.55x = 27,211.73 × 7,041.69
  4. Step 4: Simplify right side
    18,134.55x = 191,616,531.82
  5. Step 5: Solve for x
    x = 191,616,531.82/18,134.55
  6. Step 6: Final answer
    x = 10,566.38

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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.