Home / 11,856.96-16,369.08-7,384.56

Finding the Fourth Proportional to 11,856.96, 16,369.08 and 7,384.56

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Solution

The fourth proportional to 11,856.96, 16,369.08 and 7,384.56 is: 10,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.96 : 16,369.08 = 7,384.56 : x
  2. Step 2: Convert to fraction form
    11,856.96/16,369.08 = 7,384.56/x
  3. Step 3: Cross multiply
    11,856.96x = 16,369.08 × 7,384.56
  4. Step 4: Simplify right side
    11,856.96x = 120,878,453.40
  5. Step 5: Solve for x
    x = 120,878,453.40/11,856.96
  6. Step 6: Final answer
    x = 10,194.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.