Home / 13,176.07-19,764.11-5,384.88

Finding the Fourth Proportional to 13,176.07, 19,764.11 and 5,384.88

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Solution

The fourth proportional to 13,176.07, 19,764.11 and 5,384.88 is: 8,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.07 : 19,764.11 = 5,384.88 : x
  2. Step 2: Convert to fraction form
    13,176.07/19,764.11 = 5,384.88/x
  3. Step 3: Cross multiply
    13,176.07x = 19,764.11 × 5,384.88
  4. Step 4: Simplify right side
    13,176.07x = 106,427,360.66
  5. Step 5: Solve for x
    x = 106,427,360.66/13,176.07
  6. Step 6: Final answer
    x = 8,077.32

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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.