Home / 10,856.66-16,284.58-3,931.16

Finding the Fourth Proportional to 10,856.66, 16,284.58 and 3,931.16

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Solution

The fourth proportional to 10,856.66, 16,284.58 and 3,931.16 is: 5,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.66 : 16,284.58 = 3,931.16 : x
  2. Step 2: Convert to fraction form
    10,856.66/16,284.58 = 3,931.16/x
  3. Step 3: Cross multiply
    10,856.66x = 16,284.58 × 3,931.16
  4. Step 4: Simplify right side
    10,856.66x = 64,017,198.26
  5. Step 5: Solve for x
    x = 64,017,198.26/10,856.66
  6. Step 6: Final answer
    x = 5,896.59

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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.