Home / 22,653.41-31,261.05-12,963.11

Finding the Fourth Proportional to 22,653.41, 31,261.05 and 12,963.11

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Solution

The fourth proportional to 22,653.41, 31,261.05 and 12,963.11 is: 17,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.41 : 31,261.05 = 12,963.11 : x
  2. Step 2: Convert to fraction form
    22,653.41/31,261.05 = 12,963.11/x
  3. Step 3: Cross multiply
    22,653.41x = 31,261.05 × 12,963.11
  4. Step 4: Simplify right side
    22,653.41x = 405,240,273.56
  5. Step 5: Solve for x
    x = 405,240,273.56/22,653.41
  6. Step 6: Final answer
    x = 17,888.71

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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.