Home / 10,175.76-15,261.35-5,173.07

Finding the Fourth Proportional to 10,175.76, 15,261.35 and 5,173.07

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Solution

The fourth proportional to 10,175.76, 15,261.35 and 5,173.07 is: 7,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.76 : 15,261.35 = 5,173.07 : x
  2. Step 2: Convert to fraction form
    10,175.76/15,261.35 = 5,173.07/x
  3. Step 3: Cross multiply
    10,175.76x = 15,261.35 × 5,173.07
  4. Step 4: Simplify right side
    10,175.76x = 78,947,929.67
  5. Step 5: Solve for x
    x = 78,947,929.67/10,175.76
  6. Step 6: Final answer
    x = 7,758.43

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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.