Home / 12,634.36-17,442.46-8,869.08

Finding the Fourth Proportional to 12,634.36, 17,442.46 and 8,869.08

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Solution

The fourth proportional to 12,634.36, 17,442.46 and 8,869.08 is: 12,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.36 : 17,442.46 = 8,869.08 : x
  2. Step 2: Convert to fraction form
    12,634.36/17,442.46 = 8,869.08/x
  3. Step 3: Cross multiply
    12,634.36x = 17,442.46 × 8,869.08
  4. Step 4: Simplify right side
    12,634.36x = 154,698,573.14
  5. Step 5: Solve for x
    x = 154,698,573.14/12,634.36
  6. Step 6: Final answer
    x = 12,244.27

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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.