Home / 12,455.67-17,197.25-9,486.84

Finding the Fourth Proportional to 12,455.67, 17,197.25 and 9,486.84

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Solution

The fourth proportional to 12,455.67, 17,197.25 and 9,486.84 is: 13,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.67 : 17,197.25 = 9,486.84 : x
  2. Step 2: Convert to fraction form
    12,455.67/17,197.25 = 9,486.84/x
  3. Step 3: Cross multiply
    12,455.67x = 17,197.25 × 9,486.84
  4. Step 4: Simplify right side
    12,455.67x = 163,147,511.76
  5. Step 5: Solve for x
    x = 163,147,511.76/12,455.67
  6. Step 6: Final answer
    x = 13,098.25

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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.