Home / 10,836.72-14,954.96-6,121.04

Finding the Fourth Proportional to 10,836.72, 14,954.96 and 6,121.04

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Solution

The fourth proportional to 10,836.72, 14,954.96 and 6,121.04 is: 8,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.72 : 14,954.96 = 6,121.04 : x
  2. Step 2: Convert to fraction form
    10,836.72/14,954.96 = 6,121.04/x
  3. Step 3: Cross multiply
    10,836.72x = 14,954.96 × 6,121.04
  4. Step 4: Simplify right side
    10,836.72x = 91,539,908.36
  5. Step 5: Solve for x
    x = 91,539,908.36/10,836.72
  6. Step 6: Final answer
    x = 8,447.20

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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.