Home / 13,384.88-20,080.04-4,618.65

Finding the Fourth Proportional to 13,384.88, 20,080.04 and 4,618.65

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Solution

The fourth proportional to 13,384.88, 20,080.04 and 4,618.65 is: 6,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.88 : 20,080.04 = 4,618.65 : x
  2. Step 2: Convert to fraction form
    13,384.88/20,080.04 = 4,618.65/x
  3. Step 3: Cross multiply
    13,384.88x = 20,080.04 × 4,618.65
  4. Step 4: Simplify right side
    13,384.88x = 92,742,653.65
  5. Step 5: Solve for x
    x = 92,742,653.65/13,384.88
  6. Step 6: Final answer
    x = 6,928.91

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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.