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Finding the Fourth Proportional to 11,433.75, 17,145.76 and 7,050.03

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Solution

The fourth proportional to 11,433.75, 17,145.76 and 7,050.03 is: 10,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.75 : 17,145.76 = 7,050.03 : x
  2. Step 2: Convert to fraction form
    11,433.75/17,145.76 = 7,050.03/x
  3. Step 3: Cross multiply
    11,433.75x = 17,145.76 × 7,050.03
  4. Step 4: Simplify right side
    11,433.75x = 120,878,122.37
  5. Step 5: Solve for x
    x = 120,878,122.37/11,433.75
  6. Step 6: Final answer
    x = 10,572.05

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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.