Home / 10,748.74-16,127.16-4,175.32

Finding the Fourth Proportional to 10,748.74, 16,127.16 and 4,175.32

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Solution

The fourth proportional to 10,748.74, 16,127.16 and 4,175.32 is: 6,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.74 : 16,127.16 = 4,175.32 : x
  2. Step 2: Convert to fraction form
    10,748.74/16,127.16 = 4,175.32/x
  3. Step 3: Cross multiply
    10,748.74x = 16,127.16 × 4,175.32
  4. Step 4: Simplify right side
    10,748.74x = 67,336,053.69
  5. Step 5: Solve for x
    x = 67,336,053.69/10,748.74
  6. Step 6: Final answer
    x = 6,264.55

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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.