Home / 11,509.29-17,265.56-3,715.47

Finding the Fourth Proportional to 11,509.29, 17,265.56 and 3,715.47

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Solution

The fourth proportional to 11,509.29, 17,265.56 and 3,715.47 is: 5,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.29 : 17,265.56 = 3,715.47 : x
  2. Step 2: Convert to fraction form
    11,509.29/17,265.56 = 3,715.47/x
  3. Step 3: Cross multiply
    11,509.29x = 17,265.56 × 3,715.47
  4. Step 4: Simplify right side
    11,509.29x = 64,149,651.64
  5. Step 5: Solve for x
    x = 64,149,651.64/11,509.29
  6. Step 6: Final answer
    x = 5,573.73

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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.