Home / 17,129.48-23,637.88-9,576.77

Finding the Fourth Proportional to 17,129.48, 23,637.88 and 9,576.77

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Solution

The fourth proportional to 17,129.48, 23,637.88 and 9,576.77 is: 13,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.48 : 23,637.88 = 9,576.77 : x
  2. Step 2: Convert to fraction form
    17,129.48/23,637.88 = 9,576.77/x
  3. Step 3: Cross multiply
    17,129.48x = 23,637.88 × 9,576.77
  4. Step 4: Simplify right side
    17,129.48x = 226,374,575.20
  5. Step 5: Solve for x
    x = 226,374,575.20/17,129.48
  6. Step 6: Final answer
    x = 13,215.49

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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.