Home / 13,677.98-20,509.94-6,276.06

Finding the Fourth Proportional to 13,677.98, 20,509.94 and 6,276.06

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Solution

The fourth proportional to 13,677.98, 20,509.94 and 6,276.06 is: 9,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.98 : 20,509.94 = 6,276.06 : x
  2. Step 2: Convert to fraction form
    13,677.98/20,509.94 = 6,276.06/x
  3. Step 3: Cross multiply
    13,677.98x = 20,509.94 × 6,276.06
  4. Step 4: Simplify right side
    13,677.98x = 128,721,582.66
  5. Step 5: Solve for x
    x = 128,721,582.66/13,677.98
  6. Step 6: Final answer
    x = 9,410.87

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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.