Home / 18,458.89-27,702.91-6,775.45

Finding the Fourth Proportional to 18,458.89, 27,702.91 and 6,775.45

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Solution

The fourth proportional to 18,458.89, 27,702.91 and 6,775.45 is: 10,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.89 : 27,702.91 = 6,775.45 : x
  2. Step 2: Convert to fraction form
    18,458.89/27,702.91 = 6,775.45/x
  3. Step 3: Cross multiply
    18,458.89x = 27,702.91 × 6,775.45
  4. Step 4: Simplify right side
    18,458.89x = 187,699,620.77
  5. Step 5: Solve for x
    x = 187,699,620.77/18,458.89
  6. Step 6: Final answer
    x = 10,168.52

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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.