Home / 13,194.47-19,791.90-4,309.76

Finding the Fourth Proportional to 13,194.47, 19,791.90 and 4,309.76

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Solution

The fourth proportional to 13,194.47, 19,791.90 and 4,309.76 is: 6,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.47 : 19,791.90 = 4,309.76 : x
  2. Step 2: Convert to fraction form
    13,194.47/19,791.90 = 4,309.76/x
  3. Step 3: Cross multiply
    13,194.47x = 19,791.90 × 4,309.76
  4. Step 4: Simplify right side
    13,194.47x = 85,298,239.98
  5. Step 5: Solve for x
    x = 85,298,239.98/13,194.47
  6. Step 6: Final answer
    x = 6,464.70

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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.