Home / 12,842.34-17,723.82-7,537.92

Finding the Fourth Proportional to 12,842.34, 17,723.82 and 7,537.92

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Solution

The fourth proportional to 12,842.34, 17,723.82 and 7,537.92 is: 10,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.34 : 17,723.82 = 7,537.92 : x
  2. Step 2: Convert to fraction form
    12,842.34/17,723.82 = 7,537.92/x
  3. Step 3: Cross multiply
    12,842.34x = 17,723.82 × 7,537.92
  4. Step 4: Simplify right side
    12,842.34x = 133,600,737.25
  5. Step 5: Solve for x
    x = 133,600,737.25/12,842.34
  6. Step 6: Final answer
    x = 10,403.15

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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.