Home / 10,928.08-16,392.24-5,083.12

Finding the Fourth Proportional to 10,928.08, 16,392.24 and 5,083.12

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Solution

The fourth proportional to 10,928.08, 16,392.24 and 5,083.12 is: 7,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.08 : 16,392.24 = 5,083.12 : x
  2. Step 2: Convert to fraction form
    10,928.08/16,392.24 = 5,083.12/x
  3. Step 3: Cross multiply
    10,928.08x = 16,392.24 × 5,083.12
  4. Step 4: Simplify right side
    10,928.08x = 83,323,722.99
  5. Step 5: Solve for x
    x = 83,323,722.99/10,928.08
  6. Step 6: Final answer
    x = 7,624.74

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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.