Home / 13,120.32-19,673.04-4,352.88

Finding the Fourth Proportional to 13,120.32, 19,673.04 and 4,352.88

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Solution

The fourth proportional to 13,120.32, 19,673.04 and 4,352.88 is: 6,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.32 : 19,673.04 = 4,352.88 : x
  2. Step 2: Convert to fraction form
    13,120.32/19,673.04 = 4,352.88/x
  3. Step 3: Cross multiply
    13,120.32x = 19,673.04 × 4,352.88
  4. Step 4: Simplify right side
    13,120.32x = 85,634,382.36
  5. Step 5: Solve for x
    x = 85,634,382.36/13,120.32
  6. Step 6: Final answer
    x = 6,526.85

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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.