Home / 12,523.48-17,261.40-9,997.49

Finding the Fourth Proportional to 12,523.48, 17,261.40 and 9,997.49

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Solution

The fourth proportional to 12,523.48, 17,261.40 and 9,997.49 is: 13,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.48 : 17,261.40 = 9,997.49 : x
  2. Step 2: Convert to fraction form
    12,523.48/17,261.40 = 9,997.49/x
  3. Step 3: Cross multiply
    12,523.48x = 17,261.40 × 9,997.49
  4. Step 4: Simplify right side
    12,523.48x = 172,570,754.53
  5. Step 5: Solve for x
    x = 172,570,754.53/12,523.48
  6. Step 6: Final answer
    x = 13,779.78

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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.