Home / 11,509.80-17,265.06-3,718.68

Finding the Fourth Proportional to 11,509.80, 17,265.06 and 3,718.68

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Solution

The fourth proportional to 11,509.80, 17,265.06 and 3,718.68 is: 5,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.80 : 17,265.06 = 3,718.68 : x
  2. Step 2: Convert to fraction form
    11,509.80/17,265.06 = 3,718.68/x
  3. Step 3: Cross multiply
    11,509.80x = 17,265.06 × 3,718.68
  4. Step 4: Simplify right side
    11,509.80x = 64,203,233.32
  5. Step 5: Solve for x
    x = 64,203,233.32/11,509.80
  6. Step 6: Final answer
    x = 5,578.14

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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.