Home / 11,271.36-16,899.12-5,424.96

Finding the Fourth Proportional to 11,271.36, 16,899.12 and 5,424.96

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Solution

The fourth proportional to 11,271.36, 16,899.12 and 5,424.96 is: 8,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.36 : 16,899.12 = 5,424.96 : x
  2. Step 2: Convert to fraction form
    11,271.36/16,899.12 = 5,424.96/x
  3. Step 3: Cross multiply
    11,271.36x = 16,899.12 × 5,424.96
  4. Step 4: Simplify right side
    11,271.36x = 91,677,050.04
  5. Step 5: Solve for x
    x = 91,677,050.04/11,271.36
  6. Step 6: Final answer
    x = 8,133.63

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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.