Home / 18,427.91-27,657.59-7,342.38

Finding the Fourth Proportional to 18,427.91, 27,657.59 and 7,342.38

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Solution

The fourth proportional to 18,427.91, 27,657.59 and 7,342.38 is: 11,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.91 : 27,657.59 = 7,342.38 : x
  2. Step 2: Convert to fraction form
    18,427.91/27,657.59 = 7,342.38/x
  3. Step 3: Cross multiply
    18,427.91x = 27,657.59 × 7,342.38
  4. Step 4: Simplify right side
    18,427.91x = 203,072,498.95
  5. Step 5: Solve for x
    x = 203,072,498.95/18,427.91
  6. Step 6: Final answer
    x = 11,019.84

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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.