Home / 10,919.49-16,367.55-5,649.19

Finding the Fourth Proportional to 10,919.49, 16,367.55 and 5,649.19

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Solution

The fourth proportional to 10,919.49, 16,367.55 and 5,649.19 is: 8,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.49 : 16,367.55 = 5,649.19 : x
  2. Step 2: Convert to fraction form
    10,919.49/16,367.55 = 5,649.19/x
  3. Step 3: Cross multiply
    10,919.49x = 16,367.55 × 5,649.19
  4. Step 4: Simplify right side
    10,919.49x = 92,463,461.53
  5. Step 5: Solve for x
    x = 92,463,461.53/10,919.49
  6. Step 6: Final answer
    x = 8,467.74

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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.