Home / 12,708.12-19,063.02-4,388.94

Finding the Fourth Proportional to 12,708.12, 19,063.02 and 4,388.94

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Solution

The fourth proportional to 12,708.12, 19,063.02 and 4,388.94 is: 6,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.12 : 19,063.02 = 4,388.94 : x
  2. Step 2: Convert to fraction form
    12,708.12/19,063.02 = 4,388.94/x
  3. Step 3: Cross multiply
    12,708.12x = 19,063.02 × 4,388.94
  4. Step 4: Simplify right side
    12,708.12x = 83,666,451.00
  5. Step 5: Solve for x
    x = 83,666,451.00/12,708.12
  6. Step 6: Final answer
    x = 6,583.70

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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.