Home / 12,758.86-19,145.76-5,362.75

Finding the Fourth Proportional to 12,758.86, 19,145.76 and 5,362.75

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Solution

The fourth proportional to 12,758.86, 19,145.76 and 5,362.75 is: 8,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.86 : 19,145.76 = 5,362.75 : x
  2. Step 2: Convert to fraction form
    12,758.86/19,145.76 = 5,362.75/x
  3. Step 3: Cross multiply
    12,758.86x = 19,145.76 × 5,362.75
  4. Step 4: Simplify right side
    12,758.86x = 102,673,924.44
  5. Step 5: Solve for x
    x = 102,673,924.44/12,758.86
  6. Step 6: Final answer
    x = 8,047.26

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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.