Home / 11,099.80-16,688.04-8,923.69

Finding the Fourth Proportional to 11,099.80, 16,688.04 and 8,923.69

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Solution

The fourth proportional to 11,099.80, 16,688.04 and 8,923.69 is: 13,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.80 : 16,688.04 = 8,923.69 : x
  2. Step 2: Convert to fraction form
    11,099.80/16,688.04 = 8,923.69/x
  3. Step 3: Cross multiply
    11,099.80x = 16,688.04 × 8,923.69
  4. Step 4: Simplify right side
    11,099.80x = 148,918,895.67
  5. Step 5: Solve for x
    x = 148,918,895.67/11,099.80
  6. Step 6: Final answer
    x = 13,416.36

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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.