Home / 10,908.30-16,358.40-3,885.60

Finding the Fourth Proportional to 10,908.30, 16,358.40 and 3,885.60

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Solution

The fourth proportional to 10,908.30, 16,358.40 and 3,885.60 is: 5,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.30 : 16,358.40 = 3,885.60 : x
  2. Step 2: Convert to fraction form
    10,908.30/16,358.40 = 3,885.60/x
  3. Step 3: Cross multiply
    10,908.30x = 16,358.40 × 3,885.60
  4. Step 4: Simplify right side
    10,908.30x = 63,562,199.04
  5. Step 5: Solve for x
    x = 63,562,199.04/10,908.30
  6. Step 6: Final answer
    x = 5,826.96

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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.