Home / 10,885.32-16,329.02-3,864.64

Finding the Fourth Proportional to 10,885.32, 16,329.02 and 3,864.64

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Solution

The fourth proportional to 10,885.32, 16,329.02 and 3,864.64 is: 5,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.32 : 16,329.02 = 3,864.64 : x
  2. Step 2: Convert to fraction form
    10,885.32/16,329.02 = 3,864.64/x
  3. Step 3: Cross multiply
    10,885.32x = 16,329.02 × 3,864.64
  4. Step 4: Simplify right side
    10,885.32x = 63,105,783.85
  5. Step 5: Solve for x
    x = 63,105,783.85/10,885.32
  6. Step 6: Final answer
    x = 5,797.33

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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.