Home / 10,638.25-14,680.66-5,858.09

Finding the Fourth Proportional to 10,638.25, 14,680.66 and 5,858.09

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Solution

The fourth proportional to 10,638.25, 14,680.66 and 5,858.09 is: 8,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.25 : 14,680.66 = 5,858.09 : x
  2. Step 2: Convert to fraction form
    10,638.25/14,680.66 = 5,858.09/x
  3. Step 3: Cross multiply
    10,638.25x = 14,680.66 × 5,858.09
  4. Step 4: Simplify right side
    10,638.25x = 86,000,611.09
  5. Step 5: Solve for x
    x = 86,000,611.09/10,638.25
  6. Step 6: Final answer
    x = 8,084.10

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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.