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Finding the Fourth Proportional to 10,885.02, 16,313.13 and 3,952.86

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Solution

The fourth proportional to 10,885.02, 16,313.13 and 3,952.86 is: 5,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.02 : 16,313.13 = 3,952.86 : x
  2. Step 2: Convert to fraction form
    10,885.02/16,313.13 = 3,952.86/x
  3. Step 3: Cross multiply
    10,885.02x = 16,313.13 × 3,952.86
  4. Step 4: Simplify right side
    10,885.02x = 64,483,519.05
  5. Step 5: Solve for x
    x = 64,483,519.05/10,885.02
  6. Step 6: Final answer
    x = 5,924.06

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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.