Home / 11,109.08-16,663.58-3,711.84

Finding the Fourth Proportional to 11,109.08, 16,663.58 and 3,711.84

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Solution

The fourth proportional to 11,109.08, 16,663.58 and 3,711.84 is: 5,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.08 : 16,663.58 = 3,711.84 : x
  2. Step 2: Convert to fraction form
    11,109.08/16,663.58 = 3,711.84/x
  3. Step 3: Cross multiply
    11,109.08x = 16,663.58 × 3,711.84
  4. Step 4: Simplify right side
    11,109.08x = 61,852,542.79
  5. Step 5: Solve for x
    x = 61,852,542.79/11,109.08
  6. Step 6: Final answer
    x = 5,567.75

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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.