Home / 12,618.44-17,395.24-8,829.88

Finding the Fourth Proportional to 12,618.44, 17,395.24 and 8,829.88

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Solution

The fourth proportional to 12,618.44, 17,395.24 and 8,829.88 is: 12,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.44 : 17,395.24 = 8,829.88 : x
  2. Step 2: Convert to fraction form
    12,618.44/17,395.24 = 8,829.88/x
  3. Step 3: Cross multiply
    12,618.44x = 17,395.24 × 8,829.88
  4. Step 4: Simplify right side
    12,618.44x = 153,597,881.77
  5. Step 5: Solve for x
    x = 153,597,881.77/12,618.44
  6. Step 6: Final answer
    x = 12,172.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.