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Finding the Fourth Proportional to 11,502.98, 17,254.46 and 3,711.80

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Solution

The fourth proportional to 11,502.98, 17,254.46 and 3,711.80 is: 5,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.98 : 17,254.46 = 3,711.80 : x
  2. Step 2: Convert to fraction form
    11,502.98/17,254.46 = 3,711.80/x
  3. Step 3: Cross multiply
    11,502.98x = 17,254.46 × 3,711.80
  4. Step 4: Simplify right side
    11,502.98x = 64,044,999.80
  5. Step 5: Solve for x
    x = 64,044,999.80/11,502.98
  6. Step 6: Final answer
    x = 5,567.69

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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.