Home / 21,290.67-31,936.01-9,607.23

Finding the Fourth Proportional to 21,290.67, 31,936.01 and 9,607.23

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Solution

The fourth proportional to 21,290.67, 31,936.01 and 9,607.23 is: 14,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290.67 : 31,936.01 = 9,607.23 : x
  2. Step 2: Convert to fraction form
    21,290.67/31,936.01 = 9,607.23/x
  3. Step 3: Cross multiply
    21,290.67x = 31,936.01 × 9,607.23
  4. Step 4: Simplify right side
    21,290.67x = 306,816,545.32
  5. Step 5: Solve for x
    x = 306,816,545.32/21,290.67
  6. Step 6: Final answer
    x = 14,410.85

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Similar ratio
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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.