Home / 12,895.56-17,795.76-11,837.62

Finding the Fourth Proportional to 12,895.56, 17,795.76 and 11,837.62

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Solution

The fourth proportional to 12,895.56, 17,795.76 and 11,837.62 is: 16,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.56 : 17,795.76 = 11,837.62 : x
  2. Step 2: Convert to fraction form
    12,895.56/17,795.76 = 11,837.62/x
  3. Step 3: Cross multiply
    12,895.56x = 17,795.76 × 11,837.62
  4. Step 4: Simplify right side
    12,895.56x = 210,659,444.49
  5. Step 5: Solve for x
    x = 210,659,444.49/12,895.56
  6. Step 6: Final answer
    x = 16,335.81

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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.