Home / 21,053.73-31,562.01-8,584.18

Finding the Fourth Proportional to 21,053.73, 31,562.01 and 8,584.18

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Solution

The fourth proportional to 21,053.73, 31,562.01 and 8,584.18 is: 12,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.73 : 31,562.01 = 8,584.18 : x
  2. Step 2: Convert to fraction form
    21,053.73/31,562.01 = 8,584.18/x
  3. Step 3: Cross multiply
    21,053.73x = 31,562.01 × 8,584.18
  4. Step 4: Simplify right side
    21,053.73x = 270,933,975.00
  5. Step 5: Solve for x
    x = 270,933,975.00/21,053.73
  6. Step 6: Final answer
    x = 12,868.69

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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.