Home / 12,435.36-17,151.84-8,449.52

Finding the Fourth Proportional to 12,435.36, 17,151.84 and 8,449.52

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Solution

The fourth proportional to 12,435.36, 17,151.84 and 8,449.52 is: 11,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.36 : 17,151.84 = 8,449.52 : x
  2. Step 2: Convert to fraction form
    12,435.36/17,151.84 = 8,449.52/x
  3. Step 3: Cross multiply
    12,435.36x = 17,151.84 × 8,449.52
  4. Step 4: Simplify right side
    12,435.36x = 144,924,815.12
  5. Step 5: Solve for x
    x = 144,924,815.12/12,435.36
  6. Step 6: Final answer
    x = 11,654.25

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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.