Home / 19,178.08-28,725.58-9,296.69

Finding the Fourth Proportional to 19,178.08, 28,725.58 and 9,296.69

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Solution

The fourth proportional to 19,178.08, 28,725.58 and 9,296.69 is: 13,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.08 : 28,725.58 = 9,296.69 : x
  2. Step 2: Convert to fraction form
    19,178.08/28,725.58 = 9,296.69/x
  3. Step 3: Cross multiply
    19,178.08x = 28,725.58 × 9,296.69
  4. Step 4: Simplify right side
    19,178.08x = 267,052,812.33
  5. Step 5: Solve for x
    x = 267,052,812.33/19,178.08
  6. Step 6: Final answer
    x = 13,924.90

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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.