Home / 11,909.43-17,865.36-4,011.93

Finding the Fourth Proportional to 11,909.43, 17,865.36 and 4,011.93

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Solution

The fourth proportional to 11,909.43, 17,865.36 and 4,011.93 is: 6,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.43 : 17,865.36 = 4,011.93 : x
  2. Step 2: Convert to fraction form
    11,909.43/17,865.36 = 4,011.93/x
  3. Step 3: Cross multiply
    11,909.43x = 17,865.36 × 4,011.93
  4. Step 4: Simplify right side
    11,909.43x = 71,674,573.74
  5. Step 5: Solve for x
    x = 71,674,573.74/11,909.43
  6. Step 6: Final answer
    x = 6,018.30

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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.