Home / 21,237.72-31,852.66-9,836.97

Finding the Fourth Proportional to 21,237.72, 31,852.66 and 9,836.97

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Solution

The fourth proportional to 21,237.72, 31,852.66 and 9,836.97 is: 14,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.72 : 31,852.66 = 9,836.97 : x
  2. Step 2: Convert to fraction form
    21,237.72/31,852.66 = 9,836.97/x
  3. Step 3: Cross multiply
    21,237.72x = 31,852.66 × 9,836.97
  4. Step 4: Simplify right side
    21,237.72x = 313,333,660.84
  5. Step 5: Solve for x
    x = 313,333,660.84/21,237.72
  6. Step 6: Final answer
    x = 14,753.64

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1.5x scale

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.