Home / 10,856.79-16,282.22-4,282.83

Finding the Fourth Proportional to 10,856.79, 16,282.22 and 4,282.83

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Solution

The fourth proportional to 10,856.79, 16,282.22 and 4,282.83 is: 6,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.79 : 16,282.22 = 4,282.83 : x
  2. Step 2: Convert to fraction form
    10,856.79/16,282.22 = 4,282.83/x
  3. Step 3: Cross multiply
    10,856.79x = 16,282.22 × 4,282.83
  4. Step 4: Simplify right side
    10,856.79x = 69,733,958.87
  5. Step 5: Solve for x
    x = 69,733,958.87/10,856.79
  6. Step 6: Final answer
    x = 6,423.07

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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.