Home / 15,467.84-23,175.84-8,521.28

Finding the Fourth Proportional to 15,467.84, 23,175.84 and 8,521.28

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Solution

The fourth proportional to 15,467.84, 23,175.84 and 8,521.28 is: 12,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.84 : 23,175.84 = 8,521.28 : x
  2. Step 2: Convert to fraction form
    15,467.84/23,175.84 = 8,521.28/x
  3. Step 3: Cross multiply
    15,467.84x = 23,175.84 × 8,521.28
  4. Step 4: Simplify right side
    15,467.84x = 197,487,821.88
  5. Step 5: Solve for x
    x = 197,487,821.88/15,467.84
  6. Step 6: Final answer
    x = 12,767.64

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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.