Home / 12,440.60-17,167.59-6,775.25

Finding the Fourth Proportional to 12,440.60, 17,167.59 and 6,775.25

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Solution

The fourth proportional to 12,440.60, 17,167.59 and 6,775.25 is: 9,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.60 : 17,167.59 = 6,775.25 : x
  2. Step 2: Convert to fraction form
    12,440.60/17,167.59 = 6,775.25/x
  3. Step 3: Cross multiply
    12,440.60x = 17,167.59 × 6,775.25
  4. Step 4: Simplify right side
    12,440.60x = 116,314,714.15
  5. Step 5: Solve for x
    x = 116,314,714.15/12,440.60
  6. Step 6: Final answer
    x = 9,349.61

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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.