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Finding the Fourth Proportional to 11,328.88, 17,012.50 and 7,386.88

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Solution

The fourth proportional to 11,328.88, 17,012.50 and 7,386.88 is: 11,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.88 : 17,012.50 = 7,386.88 : x
  2. Step 2: Convert to fraction form
    11,328.88/17,012.50 = 7,386.88/x
  3. Step 3: Cross multiply
    11,328.88x = 17,012.50 × 7,386.88
  4. Step 4: Simplify right side
    11,328.88x = 125,669,296
  5. Step 5: Solve for x
    x = 125,669,296/11,328.88
  6. Step 6: Final answer
    x = 11,092.83

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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.