Home / 12,895.41-17,796.40-7,231.97

Finding the Fourth Proportional to 12,895.41, 17,796.40 and 7,231.97

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Solution

The fourth proportional to 12,895.41, 17,796.40 and 7,231.97 is: 9,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.41 : 17,796.40 = 7,231.97 : x
  2. Step 2: Convert to fraction form
    12,895.41/17,796.40 = 7,231.97/x
  3. Step 3: Cross multiply
    12,895.41x = 17,796.40 × 7,231.97
  4. Step 4: Simplify right side
    12,895.41x = 128,703,030.91
  5. Step 5: Solve for x
    x = 128,703,030.91/12,895.41
  6. Step 6: Final answer
    x = 9,980.53

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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.