Home / 11,509.40-17,265.24-3,075.78

Finding the Fourth Proportional to 11,509.40, 17,265.24 and 3,075.78

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Solution

The fourth proportional to 11,509.40, 17,265.24 and 3,075.78 is: 4,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.40 : 17,265.24 = 3,075.78 : x
  2. Step 2: Convert to fraction form
    11,509.40/17,265.24 = 3,075.78/x
  3. Step 3: Cross multiply
    11,509.40x = 17,265.24 × 3,075.78
  4. Step 4: Simplify right side
    11,509.40x = 53,104,079.89
  5. Step 5: Solve for x
    x = 53,104,079.89/11,509.40
  6. Step 6: Final answer
    x = 4,613.97

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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.