Home / 21,708.52-29,957.76-11,772.52

Finding the Fourth Proportional to 21,708.52, 29,957.76 and 11,772.52

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Solution

The fourth proportional to 21,708.52, 29,957.76 and 11,772.52 is: 16,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.52 : 29,957.76 = 11,772.52 : x
  2. Step 2: Convert to fraction form
    21,708.52/29,957.76 = 11,772.52/x
  3. Step 3: Cross multiply
    21,708.52x = 29,957.76 × 11,772.52
  4. Step 4: Simplify right side
    21,708.52x = 352,678,328.76
  5. Step 5: Solve for x
    x = 352,678,328.76/21,708.52
  6. Step 6: Final answer
    x = 16,246.08

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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.