Home / 11,031.80-16,545.74-3,636.36

Finding the Fourth Proportional to 11,031.80, 16,545.74 and 3,636.36

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Solution

The fourth proportional to 11,031.80, 16,545.74 and 3,636.36 is: 5,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.80 : 16,545.74 = 3,636.36 : x
  2. Step 2: Convert to fraction form
    11,031.80/16,545.74 = 3,636.36/x
  3. Step 3: Cross multiply
    11,031.80x = 16,545.74 × 3,636.36
  4. Step 4: Simplify right side
    11,031.80x = 60,166,267.11
  5. Step 5: Solve for x
    x = 60,166,267.11/11,031.80
  6. Step 6: Final answer
    x = 5,453.89

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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.