Home / 21,304.94-31,957.44-11,506.52

Finding the Fourth Proportional to 21,304.94, 31,957.44 and 11,506.52

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Solution

The fourth proportional to 21,304.94, 31,957.44 and 11,506.52 is: 17,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.94 : 31,957.44 = 11,506.52 : x
  2. Step 2: Convert to fraction form
    21,304.94/31,957.44 = 11,506.52/x
  3. Step 3: Cross multiply
    21,304.94x = 31,957.44 × 11,506.52
  4. Step 4: Simplify right side
    21,304.94x = 367,718,922.51
  5. Step 5: Solve for x
    x = 367,718,922.51/21,304.94
  6. Step 6: Final answer
    x = 17,259.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.