Home / 12,951.19-19,390.61-7,006.82

Finding the Fourth Proportional to 12,951.19, 19,390.61 and 7,006.82

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Solution

The fourth proportional to 12,951.19, 19,390.61 and 7,006.82 is: 10,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.19 : 19,390.61 = 7,006.82 : x
  2. Step 2: Convert to fraction form
    12,951.19/19,390.61 = 7,006.82/x
  3. Step 3: Cross multiply
    12,951.19x = 19,390.61 × 7,006.82
  4. Step 4: Simplify right side
    12,951.19x = 135,866,504.18
  5. Step 5: Solve for x
    x = 135,866,504.18/12,951.19
  6. Step 6: Final answer
    x = 10,490.66

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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.