Home / 21,229.56-31,852.98-9,548.28

Finding the Fourth Proportional to 21,229.56, 31,852.98 and 9,548.28

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Solution

The fourth proportional to 21,229.56, 31,852.98 and 9,548.28 is: 14,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.56 : 31,852.98 = 9,548.28 : x
  2. Step 2: Convert to fraction form
    21,229.56/31,852.98 = 9,548.28/x
  3. Step 3: Cross multiply
    21,229.56x = 31,852.98 × 9,548.28
  4. Step 4: Simplify right side
    21,229.56x = 304,141,171.87
  5. Step 5: Solve for x
    x = 304,141,171.87/21,229.56
  6. Step 6: Final answer
    x = 14,326.31

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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.