Home / 19,175.49-28,709.16-10,149.16

Finding the Fourth Proportional to 19,175.49, 28,709.16 and 10,149.16

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Solution

The fourth proportional to 19,175.49, 28,709.16 and 10,149.16 is: 15,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.49 : 28,709.16 = 10,149.16 : x
  2. Step 2: Convert to fraction form
    19,175.49/28,709.16 = 10,149.16/x
  3. Step 3: Cross multiply
    19,175.49x = 28,709.16 × 10,149.16
  4. Step 4: Simplify right side
    19,175.49x = 291,373,714.76
  5. Step 5: Solve for x
    x = 291,373,714.76/19,175.49
  6. Step 6: Final answer
    x = 15,195.11

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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.