Home / 12,961.17-19,429.88-6,293.79

Finding the Fourth Proportional to 12,961.17, 19,429.88 and 6,293.79

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Solution

The fourth proportional to 12,961.17, 19,429.88 and 6,293.79 is: 9,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.17 : 19,429.88 = 6,293.79 : x
  2. Step 2: Convert to fraction form
    12,961.17/19,429.88 = 6,293.79/x
  3. Step 3: Cross multiply
    12,961.17x = 19,429.88 × 6,293.79
  4. Step 4: Simplify right side
    12,961.17x = 122,287,552.98
  5. Step 5: Solve for x
    x = 122,287,552.98/12,961.17
  6. Step 6: Final answer
    x = 9,434.92

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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.