Home / 11,329.81-16,994.72-4,308.20

Finding the Fourth Proportional to 11,329.81, 16,994.72 and 4,308.20

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Solution

The fourth proportional to 11,329.81, 16,994.72 and 4,308.20 is: 6,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.81 : 16,994.72 = 4,308.20 : x
  2. Step 2: Convert to fraction form
    11,329.81/16,994.72 = 4,308.20/x
  3. Step 3: Cross multiply
    11,329.81x = 16,994.72 × 4,308.20
  4. Step 4: Simplify right side
    11,329.81x = 73,216,611.94
  5. Step 5: Solve for x
    x = 73,216,611.94/11,329.81
  6. Step 6: Final answer
    x = 6,462.30

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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.