Home / 15,817.71-21,827.30-8,744.25

Finding the Fourth Proportional to 15,817.71, 21,827.30 and 8,744.25

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Solution

The fourth proportional to 15,817.71, 21,827.30 and 8,744.25 is: 12,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.71 : 21,827.30 = 8,744.25 : x
  2. Step 2: Convert to fraction form
    15,817.71/21,827.30 = 8,744.25/x
  3. Step 3: Cross multiply
    15,817.71x = 21,827.30 × 8,744.25
  4. Step 4: Simplify right side
    15,817.71x = 190,863,324.30
  5. Step 5: Solve for x
    x = 190,863,324.30/15,817.71
  6. Step 6: Final answer
    x = 12,066.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.