Home / 10,770.96-16,165.08-5,578.32

Finding the Fourth Proportional to 10,770.96, 16,165.08 and 5,578.32

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Solution

The fourth proportional to 10,770.96, 16,165.08 and 5,578.32 is: 8,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.96 : 16,165.08 = 5,578.32 : x
  2. Step 2: Convert to fraction form
    10,770.96/16,165.08 = 5,578.32/x
  3. Step 3: Cross multiply
    10,770.96x = 16,165.08 × 5,578.32
  4. Step 4: Simplify right side
    10,770.96x = 90,173,989.07
  5. Step 5: Solve for x
    x = 90,173,989.07/10,770.96
  6. Step 6: Final answer
    x = 8,371.95

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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.