Home / 15,817.07-21,827.85-8,743.34

Finding the Fourth Proportional to 15,817.07, 21,827.85 and 8,743.34

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Solution

The fourth proportional to 15,817.07, 21,827.85 and 8,743.34 is: 12,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.07 : 21,827.85 = 8,743.34 : x
  2. Step 2: Convert to fraction form
    15,817.07/21,827.85 = 8,743.34/x
  3. Step 3: Cross multiply
    15,817.07x = 21,827.85 × 8,743.34
  4. Step 4: Simplify right side
    15,817.07x = 190,848,314.02
  5. Step 5: Solve for x
    x = 190,848,314.02/15,817.07
  6. Step 6: Final answer
    x = 12,065.97

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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.