Home / 19,108.39-28,678.38-9,755.32

Finding the Fourth Proportional to 19,108.39, 28,678.38 and 9,755.32

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Solution

The fourth proportional to 19,108.39, 28,678.38 and 9,755.32 is: 14,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.39 : 28,678.38 = 9,755.32 : x
  2. Step 2: Convert to fraction form
    19,108.39/28,678.38 = 9,755.32/x
  3. Step 3: Cross multiply
    19,108.39x = 28,678.38 × 9,755.32
  4. Step 4: Simplify right side
    19,108.39x = 279,766,773.98
  5. Step 5: Solve for x
    x = 279,766,773.98/19,108.39
  6. Step 6: Final answer
    x = 14,641.04

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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.