Home / 12,910.19-19,365.30-7,063.61

Finding the Fourth Proportional to 12,910.19, 19,365.30 and 7,063.61

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Solution

The fourth proportional to 12,910.19, 19,365.30 and 7,063.61 is: 10,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.19 : 19,365.30 = 7,063.61 : x
  2. Step 2: Convert to fraction form
    12,910.19/19,365.30 = 7,063.61/x
  3. Step 3: Cross multiply
    12,910.19x = 19,365.30 × 7,063.61
  4. Step 4: Simplify right side
    12,910.19x = 136,788,829.91
  5. Step 5: Solve for x
    x = 136,788,829.91/12,910.19
  6. Step 6: Final answer
    x = 10,595.42

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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.