Home / 19,159.94-28,730.64-6,679.66

Finding the Fourth Proportional to 19,159.94, 28,730.64 and 6,679.66

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Solution

The fourth proportional to 19,159.94, 28,730.64 and 6,679.66 is: 10,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.94 : 28,730.64 = 6,679.66 : x
  2. Step 2: Convert to fraction form
    19,159.94/28,730.64 = 6,679.66/x
  3. Step 3: Cross multiply
    19,159.94x = 28,730.64 × 6,679.66
  4. Step 4: Simplify right side
    19,159.94x = 191,910,906.78
  5. Step 5: Solve for x
    x = 191,910,906.78/19,159.94
  6. Step 6: Final answer
    x = 10,016.26

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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.