Home / 10,885.35-16,331.14-5,340.29

Finding the Fourth Proportional to 10,885.35, 16,331.14 and 5,340.29

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Solution

The fourth proportional to 10,885.35, 16,331.14 and 5,340.29 is: 8,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.35 : 16,331.14 = 5,340.29 : x
  2. Step 2: Convert to fraction form
    10,885.35/16,331.14 = 5,340.29/x
  3. Step 3: Cross multiply
    10,885.35x = 16,331.14 × 5,340.29
  4. Step 4: Simplify right side
    10,885.35x = 87,213,051.11
  5. Step 5: Solve for x
    x = 87,213,051.11/10,885.35
  6. Step 6: Final answer
    x = 8,011.97

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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.