Home / 12,526.82-17,287.19-6,861.44

Finding the Fourth Proportional to 12,526.82, 17,287.19 and 6,861.44

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Solution

The fourth proportional to 12,526.82, 17,287.19 and 6,861.44 is: 9,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.82 : 17,287.19 = 6,861.44 : x
  2. Step 2: Convert to fraction form
    12,526.82/17,287.19 = 6,861.44/x
  3. Step 3: Cross multiply
    12,526.82x = 17,287.19 × 6,861.44
  4. Step 4: Simplify right side
    12,526.82x = 118,615,051.59
  5. Step 5: Solve for x
    x = 118,615,051.59/12,526.82
  6. Step 6: Final answer
    x = 9,468.89

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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.