Home / 10,949.40-16,439.31-7,609.77

Finding the Fourth Proportional to 10,949.40, 16,439.31 and 7,609.77

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Solution

The fourth proportional to 10,949.40, 16,439.31 and 7,609.77 is: 11,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.40 : 16,439.31 = 7,609.77 : x
  2. Step 2: Convert to fraction form
    10,949.40/16,439.31 = 7,609.77/x
  3. Step 3: Cross multiply
    10,949.40x = 16,439.31 × 7,609.77
  4. Step 4: Simplify right side
    10,949.40x = 125,099,368.06
  5. Step 5: Solve for x
    x = 125,099,368.06/10,949.40
  6. Step 6: Final answer
    x = 11,425.23

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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.