Home / 21,045.06-31,577.31-9,361.62

Finding the Fourth Proportional to 21,045.06, 31,577.31 and 9,361.62

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Solution

The fourth proportional to 21,045.06, 31,577.31 and 9,361.62 is: 14,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.06 : 31,577.31 = 9,361.62 : x
  2. Step 2: Convert to fraction form
    21,045.06/31,577.31 = 9,361.62/x
  3. Step 3: Cross multiply
    21,045.06x = 31,577.31 × 9,361.62
  4. Step 4: Simplify right side
    21,045.06x = 295,614,776.84
  5. Step 5: Solve for x
    x = 295,614,776.84/21,045.06
  6. Step 6: Final answer
    x = 14,046.75

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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.