Home / 10,856.37-16,284.57-3,460.86

Finding the Fourth Proportional to 10,856.37, 16,284.57 and 3,460.86

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Solution

The fourth proportional to 10,856.37, 16,284.57 and 3,460.86 is: 5,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.37 : 16,284.57 = 3,460.86 : x
  2. Step 2: Convert to fraction form
    10,856.37/16,284.57 = 3,460.86/x
  3. Step 3: Cross multiply
    10,856.37x = 16,284.57 × 3,460.86
  4. Step 4: Simplify right side
    10,856.37x = 56,358,616.93
  5. Step 5: Solve for x
    x = 56,358,616.93/10,856.37
  6. Step 6: Final answer
    x = 5,191.29

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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.