Home / 11,265.12-16,897.70-3,057.12

Finding the Fourth Proportional to 11,265.12, 16,897.70 and 3,057.12

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Solution

The fourth proportional to 11,265.12, 16,897.70 and 3,057.12 is: 4,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.12 : 16,897.70 = 3,057.12 : x
  2. Step 2: Convert to fraction form
    11,265.12/16,897.70 = 3,057.12/x
  3. Step 3: Cross multiply
    11,265.12x = 16,897.70 × 3,057.12
  4. Step 4: Simplify right side
    11,265.12x = 51,658,296.62
  5. Step 5: Solve for x
    x = 51,658,296.62/11,265.12
  6. Step 6: Final answer
    x = 4,585.69

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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.