Home / 11,445.28-17,170.56-4,049.76

Finding the Fourth Proportional to 11,445.28, 17,170.56 and 4,049.76

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Solution

The fourth proportional to 11,445.28, 17,170.56 and 4,049.76 is: 6,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.28 : 17,170.56 = 4,049.76 : x
  2. Step 2: Convert to fraction form
    11,445.28/17,170.56 = 4,049.76/x
  3. Step 3: Cross multiply
    11,445.28x = 17,170.56 × 4,049.76
  4. Step 4: Simplify right side
    11,445.28x = 69,536,647.07
  5. Step 5: Solve for x
    x = 69,536,647.07/11,445.28
  6. Step 6: Final answer
    x = 6,075.57

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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.