Home / 13,479.62-20,228.54-4,714.61

Finding the Fourth Proportional to 13,479.62, 20,228.54 and 4,714.61

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Solution

The fourth proportional to 13,479.62, 20,228.54 and 4,714.61 is: 7,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.62 : 20,228.54 = 4,714.61 : x
  2. Step 2: Convert to fraction form
    13,479.62/20,228.54 = 4,714.61/x
  3. Step 3: Cross multiply
    13,479.62x = 20,228.54 × 4,714.61
  4. Step 4: Simplify right side
    13,479.62x = 95,369,552.25
  5. Step 5: Solve for x
    x = 95,369,552.25/13,479.62
  6. Step 6: Final answer
    x = 7,075.09

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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.