Home / 10,856.60-16,286.06-3,459.32

Finding the Fourth Proportional to 10,856.60, 16,286.06 and 3,459.32

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Solution

The fourth proportional to 10,856.60, 16,286.06 and 3,459.32 is: 5,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.60 : 16,286.06 = 3,459.32 : x
  2. Step 2: Convert to fraction form
    10,856.60/16,286.06 = 3,459.32/x
  3. Step 3: Cross multiply
    10,856.60x = 16,286.06 × 3,459.32
  4. Step 4: Simplify right side
    10,856.60x = 56,338,693.08
  5. Step 5: Solve for x
    x = 56,338,693.08/10,856.60
  6. Step 6: Final answer
    x = 5,189.35

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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.