Home / 14,376.09-19,836.02-8,406.61

Finding the Fourth Proportional to 14,376.09, 19,836.02 and 8,406.61

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Solution

The fourth proportional to 14,376.09, 19,836.02 and 8,406.61 is: 11,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.09 : 19,836.02 = 8,406.61 : x
  2. Step 2: Convert to fraction form
    14,376.09/19,836.02 = 8,406.61/x
  3. Step 3: Cross multiply
    14,376.09x = 19,836.02 × 8,406.61
  4. Step 4: Simplify right side
    14,376.09x = 166,753,655.52
  5. Step 5: Solve for x
    x = 166,753,655.52/14,376.09
  6. Step 6: Final answer
    x = 11,599.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.