Home / 19,169.07-28,758.50-7,322.82

Finding the Fourth Proportional to 19,169.07, 28,758.50 and 7,322.82

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Solution

The fourth proportional to 19,169.07, 28,758.50 and 7,322.82 is: 10,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.07 : 28,758.50 = 7,322.82 : x
  2. Step 2: Convert to fraction form
    19,169.07/28,758.50 = 7,322.82/x
  3. Step 3: Cross multiply
    19,169.07x = 28,758.50 × 7,322.82
  4. Step 4: Simplify right side
    19,169.07x = 210,593,282.36
  5. Step 5: Solve for x
    x = 210,593,282.36/19,169.07
  6. Step 6: Final answer
    x = 10,986.10

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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.