Home / 9,149.40-13,721.67-2,574.09

Finding the Fourth Proportional to 9,149.40, 13,721.67 and 2,574.09

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Solution

The fourth proportional to 9,149.40, 13,721.67 and 2,574.09 is: 3,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.40 : 13,721.67 = 2,574.09 : x
  2. Step 2: Convert to fraction form
    9,149.40/13,721.67 = 2,574.09/x
  3. Step 3: Cross multiply
    9,149.40x = 13,721.67 × 2,574.09
  4. Step 4: Simplify right side
    9,149.40x = 35,320,813.53
  5. Step 5: Solve for x
    x = 35,320,813.53/9,149.40
  6. Step 6: Final answer
    x = 3,860.45

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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.