Home / 17,778.38-26,647.05-6,677.98

Finding the Fourth Proportional to 17,778.38, 26,647.05 and 6,677.98

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Solution

The fourth proportional to 17,778.38, 26,647.05 and 6,677.98 is: 10,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.38 : 26,647.05 = 6,677.98 : x
  2. Step 2: Convert to fraction form
    17,778.38/26,647.05 = 6,677.98/x
  3. Step 3: Cross multiply
    17,778.38x = 26,647.05 × 6,677.98
  4. Step 4: Simplify right side
    17,778.38x = 177,948,400.34
  5. Step 5: Solve for x
    x = 177,948,400.34/17,778.38
  6. Step 6: Final answer
    x = 10,009.26

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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.