Home / 10,919.52-16,365.58-4,672.20

Finding the Fourth Proportional to 10,919.52, 16,365.58 and 4,672.20

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Solution

The fourth proportional to 10,919.52, 16,365.58 and 4,672.20 is: 7,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.52 : 16,365.58 = 4,672.20 : x
  2. Step 2: Convert to fraction form
    10,919.52/16,365.58 = 4,672.20/x
  3. Step 3: Cross multiply
    10,919.52x = 16,365.58 × 4,672.20
  4. Step 4: Simplify right side
    10,919.52x = 76,463,262.88
  5. Step 5: Solve for x
    x = 76,463,262.88/10,919.52
  6. Step 6: Final answer
    x = 7,002.44

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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.