Home / 21,283.52-29,371.44-11,852.96

Finding the Fourth Proportional to 21,283.52, 29,371.44 and 11,852.96

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Solution

The fourth proportional to 21,283.52, 29,371.44 and 11,852.96 is: 16,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.52 : 29,371.44 = 11,852.96 : x
  2. Step 2: Convert to fraction form
    21,283.52/29,371.44 = 11,852.96/x
  3. Step 3: Cross multiply
    21,283.52x = 29,371.44 × 11,852.96
  4. Step 4: Simplify right side
    21,283.52x = 348,138,503.46
  5. Step 5: Solve for x
    x = 348,138,503.46/21,283.52
  6. Step 6: Final answer
    x = 16,357.19

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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.