Home / 13,149.66-19,727.63-4,384.65

Finding the Fourth Proportional to 13,149.66, 19,727.63 and 4,384.65

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Solution

The fourth proportional to 13,149.66, 19,727.63 and 4,384.65 is: 6,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.66 : 19,727.63 = 4,384.65 : x
  2. Step 2: Convert to fraction form
    13,149.66/19,727.63 = 4,384.65/x
  3. Step 3: Cross multiply
    13,149.66x = 19,727.63 × 4,384.65
  4. Step 4: Simplify right side
    13,149.66x = 86,498,752.88
  5. Step 5: Solve for x
    x = 86,498,752.88/13,149.66
  6. Step 6: Final answer
    x = 6,578.02

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1.5x scale

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.